The questions most likely to appear on the November 8 midterm, each with how to answer it and the answer.
Exam: Sun Nov 8, 8:30–10:30 AM, in person
Platform: LockDown Browser on your laptop
Rules: Closed book, no formula sheet
Scope: Sessions 1–13, about 60–70% calculations
154 tagged questions: 84 very likely · 53 likely · 17 possible
About the tags. Nobody outside the exam team knows the real questions. Very likely, Likely and Possible rank each question by how heavily the course stresses that skill, so learn the method behind each answer rather than the numbers.
Start here: how to use this guide
What this is. A dedicated practice-question guide for the BU 247 midterm on Sunday, November 8, 8:30 to 10:30 AM, in person, written in Respondus LockDown Browser on your own laptop. It covers Sessions 1 to 13 (Chapters 1, 2, 3, 4, 11, 12, 5 and 6 of Garrison, Libby and Webb). Every question comes with a stem, a "How to answer" paragraph that teaches the method, and an "Answer" paragraph with the worked result.
An honest caveat. No one outside the exam team knows the real questions, and this guide does not claim to. The tags (Very likely, Likely, Possible) are a ranking based on what the course emphasizes: the session map and homework problems, the weight the course gives to question types, the "about 60 to 70% quantitative" statement, and the textbook problems the instructors chose. Anything tagged Very likely is a skill the course clearly drilled and the exam very probably tests in some form. The numbers in the exam will be different, so learn the method, not the answer.
What the exam looks like (from the course page). Closed book, no formula sheet, a non-programmable calculator only, scrap paper provided and left in the room. Question types in order of importance: multiple choice, numerical input (you type a number), matching, multi-select, and fill-in-the-blank. About 60 to 70% of the marks are quantitative and 30 to 40% are concepts. You must start within the first 30 minutes. Bring your laptop, charger and student ID, and test LockDown Browser before the day.
Why there is no formula sheet. The instructors say they do not want you memorizing formulas by heart; they want you to understand why each one works, so you can rebuild it. Every formula in the table below can be derived in a few seconds from first principles, and the "How to answer" paragraphs show how.
The three tags you will see on every question
Tag
Meaning
Very likely
Core skill, drilled in the homework and slides; expect some version of it
Likely
Taught clearly and testable, but less heavily drilled
Possible
Fair game, lower odds
Every question in the rest of this guide carries one of these tags.
Formulas you must be able to rebuild
Topic
What to know
Cost of goods manufactured
Direct materials used + direct labour + manufacturing overhead applied = total manufacturing cost; add beginning work in process, subtract ending work in process
Cost of goods sold
Beginning finished goods + cost of goods manufactured, minus ending finished goods
High-low
Variable cost per unit = (high cost minus low cost) divided by (high activity minus low activity); fixed cost = total cost minus variable cost per unit times activity
Contribution margin
Sales minus variable expenses; per unit = price minus variable cost per unit; ratio = CM divided by sales
Break-even
Units = fixed expenses divided by unit CM; dollars = fixed expenses divided by CM ratio
Target profit
Units = (fixed expenses + target profit) divided by unit CM; after tax, target profit = after-tax profit divided by (1 minus tax rate)
Margin of safety
Actual or budgeted sales minus break-even sales; percentage = margin of safety divided by sales
Operating leverage
Degree of operating leverage = CM divided by net operating income; percentage change in income = degree times percentage change in sales
Multi-product
Overall CM ratio = total CM divided by total sales for the mix; break-even sales = fixed expenses divided by overall CM ratio
Segment margin
Segment CM minus traceable fixed expenses
Relevant cost
A future cost or revenue that differs between alternatives; sunk and common unchanged costs are irrelevant
Constrained resource
Rank products by CM per unit of the constraint, then fill capacity in that order
Predetermined overhead rate
Estimated total overhead divided by estimated total allocation base (set before the year starts)
Applied overhead
Predetermined rate times the actual base used; underapplied or overapplied = actual overhead minus applied overhead
Equivalent units
Units completed and transferred out plus ending work in process units times percentage complete; weighted average cost per equivalent unit = (beginning WIP cost + cost added) divided by equivalent units
How to use this guide in time
You have about four weeks, with reading week October 12 to 16. A sensible rhythm: do two sessions of questions per study day, doing every Very likely question on paper without looking at the answer first, then compare. Spend the final week on the mock exam (Part 12) under timed conditions, then redo every question you missed. In the exam, budget about one to two minutes per multiple-choice or fill-in item and five to eight minutes per multi-step numerical problem; the number of questions has not been published, so check the count first and divide your time.
Exam technique for the numerical input boxes
Carry full calculator precision and round only at the end. Read the instruction for rounding and for units (dollars, units, percent as a number or a decimal). Write every step on the scrap paper so you can recover from a slip. Check the sign: a decrease in income is negative, and an underapplied overhead is a debit. If a number looks wrong by a factor of 10 or 12, re-read whether the question is per unit, per month or per year.
Map of this guide
Parts 2 and 3 cover Sessions 1 to 3 (management and cost terms, cost behaviour). Parts 4 and 5 cover CVP, single and multiple product. Part 6 is segmented statements. Parts 7 and 8 cover relevant costs: add or drop, make or buy, special order and constrained resources. Parts 9 and 10 cover job costing and process costing. Part 11 collects concept questions in the matching, multi-select and fill-in formats. Part 12 is a full mock exam, Part 13 its answer key, and Part 14 is a rapid-fire list for the last night.
Part 2: Sessions 1 and 2 (management and cost terms, Chapters 1 and 2)
Session 1 is the vocabulary of management; Session 2 is the cost vocabulary that every later session relies on. Expect most of the qualitative marks here (matching, multi-select, fill-in) plus one or two short calculations such as cost of goods manufactured.
Q1Very likely
Match each cost to one category: DM (direct materials), DL (direct labour), MOH (manufacturing overhead), S (selling), A (administrative). (a) Leather used in handbags. (b) Wages of the sewing staff. (c) Factory supervisor's salary. (d) Fuel for delivery vans. (e) CEO's salary. (f) Depreciation on factory machines. (g) Thread and glue used in assembly. (h) Television advertising. (i) Head-office rent. (j) Wages of the factory janitor.
How to answer
Ask two questions in order. First, is the cost incurred in the factory? If not, it is non-manufacturing: getting the order and delivering it is selling; running the company is administrative. Second, if it is a factory cost, can it be physically and conveniently traced to the product? Traceable materials are DM, traceable labour is DL, and everything else in the factory (indirect materials, indirect labour, utilities, depreciation, rent, insurance) is manufacturing overhead.
Answer
(a) DM. (b) DL. (c) MOH. (d) S. (e) A. (f) MOH. (g) MOH (indirect materials, too small or costly to trace). (h) S. (i) A. (j) MOH (indirect labour).
Q2Very likely
A manufacturer reports direct materials $45,000, direct labour $30,000 and manufacturing overhead $50,000 for the month. Calculate prime cost, conversion cost and total manufacturing cost.
How to answer
Prime cost is the two direct costs (DM + DL). Conversion cost is what it costs to convert materials into a product (DL + MOH). Direct labour appears in both. Total manufacturing cost is all three.
Raw materials: beginning $15,000, purchases $65,000, ending $20,000. Direct labour $40,000. Manufacturing overhead applied $80,000. Work in process: beginning $20,000, ending $25,000. Finished goods: beginning $30,000, ending $45,000. Compute direct materials used, total manufacturing cost, cost of goods manufactured and cost of goods sold.
How to answer
Build the schedule in order. Direct materials used = beginning raw materials + purchases - ending raw materials. Total manufacturing cost = DM used + DL + MOH. Cost of goods manufactured (COGM) = beginning WIP + total manufacturing cost - ending WIP. Cost of goods sold (COGS) = beginning finished goods + COGM - ending finished goods. The logic in each step is the same: what you had, plus what came in, minus what is left.
A company produced 6,000 units at a full manufacturing cost of $30 per unit and sold 5,000. Selling expenses were $18,000 and administrative expenses $12,000. What is the cost of ending inventory, what is cost of goods sold, and how much is expensed as period cost?
How to answer
Product costs stay in inventory until the unit is sold, then become COGS. Period costs (selling and administrative) are expensed in the period incurred no matter how many units were sold.
Answer
Ending inventory = 1,000 units x $30 = $30,000 (an asset). COGS = 5,000 x $30 = $150,000. Period costs = 18,000 + 12,000 = $30,000. Total expensed this period = $180,000.
Q5Likely
(Multi-select) For a manufacturer, which of the following are period costs? (a) Sales commissions. (b) Depreciation on factory equipment. (c) Property taxes on the corporate head office. (d) Direct materials. (e) Advertising.
How to answer
Period costs are all non-manufacturing costs (selling and administrative). Eliminate anything that is incurred in the factory.
Answer
(a), (c) and (e). (b) is manufacturing overhead and (d) is direct materials, both product costs.
Q6Very likely
Monthly factory rent is $24,000 (fixed) and variable cost is $5 per unit. Find total cost and cost per unit at 8,000 units and at 12,000 units, and say what happens to each type of cost per unit.
How to answer
Total variable cost = $5 x units. Total fixed cost does not change within the relevant range. Per-unit figures are totals divided by units.
Answer
At 8,000 units: variable $40,000, fixed $24,000, total $64,000, fixed per unit $3.00, total per unit $8.00. At 12,000 units: variable $60,000, fixed $24,000, total $84,000, fixed per unit $2.00, total per unit $7.00. Variable cost is constant per unit ($5) but changes in total; fixed cost is constant in total but falls per unit as volume rises.
Q7Very likely
(Multiple choice) As activity rises within the relevant range, which statement is correct? (A) Total fixed cost rises and fixed cost per unit is constant. (B) Total variable cost is constant and variable cost per unit rises. (C) Total fixed cost is constant and fixed cost per unit falls. (D) Total variable cost rises and variable cost per unit falls.
How to answer
Use the 2 x 2 rule. Variable: total changes, per unit constant. Fixed: total constant, per unit changes (opposite to activity).
Answer
(C).
Q8Very likely
Match each item to differential (D), sunk (S), opportunity (O) or not relevant (N) when a hospital replaces an old x-ray machine with a new blood-test machine. (a) The purchase price of the old machine two years ago. (b) Electricity to run the old machine, which stops if it is replaced. (c) The salary of the radiology department manager, who stays either way. (d) The sale proceeds forgone if the old machine is kept. (e) The cost of installing shielding in the old machine's room last year.
How to answer
A sunk cost is already spent and cannot be changed. A differential cost differs between the alternatives. An opportunity cost is the benefit given up by choosing one alternative. A cost that is the same either way is not relevant.
Answer
(a) S. (b) D. (c) N. (d) O. (e) S.
Q9Very likely
A department store reports for its Apparel Department: cost of sales $90,000, sales commissions $7,000 and the department manager's salary $8,000. The store also has store utilities of $11,000 and a store manager's salary of $12,000. What are the direct costs of the Apparel Department? What are the direct costs of the store (all four of these)?
How to answer
Whether a cost is direct or indirect depends on the cost object. A cost is direct to an object if it can be easily traced to it. Utilities and the store manager serve the whole store, so they are indirect to the department but direct to the store.
Answer
Apparel Department direct costs = 90,000 + 7,000 + 8,000 = $105,000. Store direct costs = 105,000 + 11,000 + 12,000 = $128,000.
Q10Likely
A firm owns a machine bought for $90,000 (book value now $50,000). It can be sold today for $20,000. A new machine costs $60,000 and saves $12,000 per year in operating costs over five years. Identify the sunk costs and the relevant items, and state the net financial advantage of replacing over five years (ignore the time value of money and taxes).
How to answer
Cross out everything that is already spent. Then list only the future cash flows that differ.
Answer
Sunk: the $90,000 cost and the $50,000 book value. Relevant: the $20,000 sale proceeds (the opportunity cost of keeping the old machine), the $60,000 cost of the new machine and the $12,000 yearly savings. Net advantage = 5 x 12,000 + 20,000 - 60,000 = $20,000 in favour of replacing.
Q11Very likely
(Matching) Label each statement as financial (F) or managerial (M) accounting. (a) Prepared for the tax authorities. (b) Emphasizes the future. (c) Must follow GAAP. (d) Emphasizes relevance and timeliness over precision. (e) Reports on segments such as product lines and regions. (f) Mandatory.
How to answer
Financial accounting is for outsiders, historical, precise, whole-company and rule-bound. Managerial accounting is for insiders, forward-looking, flexible, segment-focused and optional.
Answer
(a) F. (b) M. (c) F. (d) M. (e) M. (f) F.
Q12Very likely
Classify each as planning, directing and motivating, controlling or decision making. (a) Developing the budget for next year. (b) Comparing the monthly actual results with the budget. (c) Assigning today's work shifts and resolving a dispute between employees. (d) Choosing between two supplier bids.
How to answer
Planning looks ahead (alternatives, objectives, budgets). Directing and motivating is day-to-day running of operations. Controlling compares actual to plan using feedback (performance reports). Decision making is choosing among alternatives, the core skill at the centre of the cycle.
(Fill in the blank) In the planning and control cycle, comparing actual results with the plan produces ______, and the report that does this is called a ______ report.
How to answer
The control step creates information that flows back to planning.
Answer
Feedback; performance.
Q14Likely
(Matching) Match each customer value proposition to its description: customer intimacy, operational excellence, product leadership. (a) Low-cost products or reliable services. (b) Exceptional quality and innovation. (c) Outstanding customer service.
How to answer
Strategy is a game plan that attracts customers by distinguishing the firm from competitors. The three value propositions are the ways to do it.
Put the value chain in order: customer service, manufacturing, research and development, distribution, marketing, product design.
How to answer
Follow the life of a product from idea to after-sale support.
Answer
Research and development, product design, manufacturing, marketing, distribution, customer service.
Q16Likely
(Matching) Enterprise risk management identifies risks and reduces them with controls. Match the risk to the control. Risks: (a) an employee steals assets, (b) customer information is stolen from computer files, (c) a supplier strike halts raw materials, (d) a website malfunctions. Controls: (1) test thoroughly before going live, (2) use two or more suppliers, (3) segregation of duties, (4) firewalls.
How to answer
Think about what directly prevents the specific failure.
Answer
(a) 3. (b) 4. (c) 2. (d) 1.
Q17Likely
(Fill in the blank) The CPA Canada code of ethics focuses on professional behaviour, competence, ______, integrity and ______.
How to answer
The five themes are professional behaviour, competence, confidentiality, integrity and objectivity.
Answer
Confidentiality; objectivity.
Q18Likely
(Multiple choice) Corporate social responsibility means that an organization (A) obeys the law, (B) maximizes shareholder profit, (C) considers the needs of all stakeholders and goes beyond legal compliance with voluntary actions, (D) follows GAAP.
How to answer
CSR is broader than shareholders and broader than the law.
Answer
(C). Stakeholders include customers, employees, communities, suppliers, shareholders and advocates.
Q19Possible
A manager is paid a bonus based only on this year's profit. Give two unintended consequences and two controls.
How to answer
Extrinsic incentives highlight goals but can distort behaviour. Think about short-term profit at the expense of the long term, then fix the incentive or add a check.
Answer
Consequences: cutting discretionary spending (R&D, training, marketing) to lift this year's profit; using cheaper materials or less experienced workers, harming quality and reputation. Controls: add non-financial measures (customer satisfaction, defects, training hours); base part of the bonus on a three-year rolling average profit; set supplier quality requirements.
Q20Possible
(Multiple choice) Which best describes intrinsic motivation and cognitive biases? (A) Motivation from rewards; errors in arithmetic. (B) Motivation from within a person; distorted thought processes everyone has. (C) Motivation from bonuses; deliberate fraud. (D) Motivation from the boss; accounting errors.
How to answer
Intrinsic means from within; extrinsic means an external reward. Cognitive biases are normal thinking distortions, not fraud.
Answer
(B).
Q21Likely
A manager facing a profit target reclassifies some period costs as product costs. Explain the effect and whether it is ethical.
How to answer
Think about where product and period costs end up: inventory (balance sheet) or expense (income statement). Then apply the ethical principles (consistency, integrity, objectivity, misleading readers).
Answer
Period costs are expensed now, but product costs are expensed only when the units are sold. Reclassifying carries costs forward in inventory, so current profit rises and the inventory asset is overstated. It is not ethical unless the change is disclosed: it breaks consistency, misleads the readers of the statements and violates integrity and objectivity. Postponing maintenance or purchases just to hit a target is also questionable because it raises future costs and can harm suppliers.
Q22Likely
Glue used in assembly is a small, hard-to-trace cost per unit. How should it be classified, and why?
How to answer
Direct materials must be an integral part of the product and traceable physically and conveniently. If tracing is impractical or not worth it, treat it as indirect.
Answer
Indirect materials, part of manufacturing overhead, because the cost of tracing it to each unit is not justified.
Q23Possible
A seniors' meal program has a leased van, gasoline for the van, rent on the whole centre and a driver paid by the hour. Classify each as direct or indirect to the program, and as fixed or variable with respect to the number of seniors served.
How to answer
Direct means traceable to the program. Fixed or variable depends on whether the cost changes with the number of seniors served.
Answer
Leased van: direct, fixed. Gasoline: direct, variable. Rent on the whole centre: indirect to the program, fixed. Driver's hourly wages: direct, variable.
Part 3: Session 3 (cost behaviour and estimation, Chapter 3)
The high-low method and the contribution-format income statement are the two most testable pieces of Session 3. Homework problems E3-7, E3-8, P3-16 and P3-17 all use high-low, so expect at least one numerical-input question on it.
Q1Very likely
A utility charges a fixed fee of $50 per month plus $0.04 per kWh. What is the total bill for 3,000 kWh, and which letter in Y = a + bX is each part of the charge?
How to answer
A mixed cost follows Y = a + bX, where Y is total cost, a is the fixed part (the vertical intercept), b is the variable cost per unit of activity (the slope) and X is the activity level.
Answer
Y = 50 + 0.04 x 3,000 = 50 + 120 = $170. The $50 is a (fixed), the $0.04 is b (variable rate per kWh) and 3,000 is X.
Q2Very likely
Maintenance costs and machine hours for six months were: January 400 hours, $6,380; February 520, $7,040; March 610, $7,820; April 350, $5,950; May 700, $8,400; June 480, $6,980. Use the high-low method to find the variable cost per hour, the fixed cost per month, and the predicted cost for 550 hours.
How to answer
Pick the months with the highest and lowest ACTIVITY (hours), not the highest and lowest cost. Variable rate = change in cost divided by change in activity. Then back out the fixed cost from either point, and build the formula.
Answer
High = May (700 h, $8,400). Low = April (350 h, $5,950). Change = 350 hours and $2,450. Variable cost = 2,450 / 350 = $7.00 per hour. Fixed cost = 8,400 - 7.00 x 700 = 8,400 - 4,900 = $3,500 per month (check with the low point: 5,950 - 7 x 350 = 3,500). Formula: Y = 3,500 + 7.00X. At 550 hours: 3,500 + 3,850 = $7,350.
Q3Very likely
(Multiple choice) In the high-low method, the two data points are chosen as (A) the highest and lowest total cost, (B) the highest and lowest activity levels, (C) the first and last periods, (D) the two periods closest to the average.
How to answer
The method is a rise-over-run slope, and the "run" is activity. The cost that goes with the highest and lowest activity may not be the highest and lowest cost.
Answer
(B).
Q4Very likely
A hospital had 2,400 lab hours at a total cost of $19,800 in its busiest month and 1,200 hours at $13,200 in its slowest month. Estimate the cost of 1,800 hours.
How to answer
This is the direct-answer version of high-low. Slope first, then intercept, then predict.
A service firm's total overhead is $212,000 at 10,000 billable hours and $248,000 at 16,000 hours. Overhead consists of office supplies (variable, $2.00 per hour), rent (fixed, $120,000 per year) and vehicle costs (mixed). Estimate total overhead at 14,000 hours.
How to answer
This is the P3-16 / P3-17 technique. Do NOT apply high-low to total overhead. First subtract the known variable and fixed pieces to isolate the mixed cost at each activity level, then apply high-low to the mixed cost only, then rebuild the total for the new activity.
Answer
Vehicle costs at 10,000 h = 212,000 - 20,000 - 120,000 = 72,000. At 16,000 h = 248,000 - 32,000 - 120,000 = 96,000. Variable rate = (96,000 - 72,000) / 6,000 = $4.00 per hour. Fixed = 72,000 - 4 x 10,000 = $32,000. At 14,000 hours: supplies 28,000 + rent 120,000 + vehicles (32,000 + 56,000 = 88,000) = $236,000.
Q6Very likely
A scattergraph of a hospital's maintenance cost against patient-days has a vertical intercept of $12,000, and the line passes through $15,000 at 1,000 patient-days. Write the cost formula and estimate the cost at 1,300 patient-days.
How to answer
The intercept is the fixed cost. The variable rate is the cost above the intercept divided by the activity at that point.
Answer
Variable = (15,000 - 12,000) / 1,000 = $3.00 per patient-day. Y = 12,000 + 3.00X. At 1,300: 12,000 + 3,900 = $15,900.
Q7Likely
(Multiple choice) Why can the high-low method give a poor estimate when a scattergraph shows the data points scattered around a line? (A) It uses all points but ignores the fixed cost. (B) It uses only two points, which may not represent the pattern, so its line can have the wrong slope and intercept. (C) It cannot be used with mixed costs. (D) It always overestimates variable cost.
How to answer
Remember E3-9: the high-low line was too flat, so it overestimated fixed cost ($4,000 against about $3,000 on the scattergraph) and underestimated the variable rate. Always plot first.
Answer
(B). Least-squares regression is the most accurate because it uses all the data points; the R-squared statistic tells you what share of the variation in cost the activity explains.
Q8Very likely
Sales are $100,000. Cost of goods sold is $70,000, of which $45,000 is variable and $25,000 is fixed. Selling and administrative expenses are $20,000, of which $8,000 is variable and $12,000 is fixed. Prepare both income statements and compare gross margin to contribution margin.
How to answer
The traditional (functional) format subtracts cost of goods sold, then operating expenses. The contribution format subtracts ALL variable expenses (variable manufacturing and variable selling and administrative) to get contribution margin, then all fixed expenses. Net operating income is identical in both.
Answer
Traditional: gross margin = 100,000 - 70,000 = 30,000; less 20,000 operating expenses = $10,000 net operating income. Contribution: variable expenses = 45,000 + 8,000 = 53,000; contribution margin = $47,000; fixed expenses = 25,000 + 12,000 = 37,000; net operating income = $10,000. Gross margin ($30,000) does not equal contribution margin ($47,000) because they group costs differently.
Q9Likely
(Matching) Match each term to its definition: step-variable cost, committed fixed cost, discretionary fixed cost, mixed cost. (a) A long-term fixed cost that cannot be reduced much in the short term, such as depreciation on equipment. (b) A fixed cost that managers can change in the short term, such as advertising. (c) A cost of a resource obtained in large chunks that changes only with wide changes in activity, such as maintenance workers. (d) A cost with both fixed and variable parts, such as a utility bill.
How to answer
Link each description to the name, using the example as your anchor.
(Multiple choice) How does a fixed cost differ from a step-variable cost? (A) A fixed cost changes in every period. (B) A step-variable cost has wider steps and cannot be adjusted in the short run. (C) A fixed cost has wider steps and is harder to adjust in the short run than a step-variable cost. (D) They are identical.
How to answer
Both rise in steps. Step-variable costs have narrow steps, so you can adjust them quickly (hire another worker). Fixed costs have wide steps and cannot be adjusted easily within the relevant range.
Answer
(C).
Q11Very likely
(Multi-select) Which statements are true within the relevant range? (a) Total fixed cost is constant. (b) Total variable cost is constant. (c) Variable cost per unit is constant. (d) Fixed cost per unit varies with activity. (e) Total variable cost varies in direct proportion to activity.
How to answer
Apply the 2 x 2 rule from Part 2: variable is constant per unit and proportional in total; fixed is constant in total and varies per unit.
Answer
(a), (c), (d) and (e). (b) is false.
Q12Likely
(Multiple choice) Which organization is most likely to have a high proportion of fixed costs and few variable costs? (A) A merchandiser. (B) A public utility with a large equipment investment. (C) A consulting firm paid by the hour. (D) A catering business.
How to answer
Heavy investment in equipment means high fixed costs (depreciation and so on). Merchandisers and service firms usually have a high proportion of variable costs (cost of goods sold, supplies, hourly wages).
Answer
(B).
Q13Possible
A company rents office space in 1,000-square-foot blocks at $30,000 per year per block. What is the annual cost for 1,400 square feet and for 2,100 square feet, and what does the pattern illustrate?
How to answer
The cost is flat within a block and jumps when a new block is needed.
Answer
1,400 sq ft needs 2 blocks: $60,000. 2,100 sq ft needs 3 blocks: $90,000. It illustrates that a fixed cost is constant only within a relevant range and then jumps to a higher level.
Q14Likely
(Fill in the blank) The first step in analyzing a mixed cost is to prepare a ______, which shows the relationship between cost on the vertical axis and ______ on the horizontal axis.
How to answer
Look at the data before calculating anything: you see linearity and outliers.
Answer
Scattergraph; activity.
Q15Possible
(Matching) Match each method of separating fixed from variable cost to its description: account analysis, engineering approach, high-low method, least-squares regression. (a) Each account is classified as fixed or variable using the analyst's knowledge. (b) Costs are estimated from a study of production methods and the material, labour and overhead needed. (c) Uses only the highest and lowest activity periods. (d) Uses all data points and minimizes squared deviations.
How to answer
Match the key phrase in each description to the method's name.
(Multiple choice) Which trend explains why many firms now have a higher share of fixed costs? (A) Rising raw material prices. (B) Automation and software replacing hourly (variable) wages with equipment and system costs. (C) Falling interest rates. (D) Smaller order sizes.
How to answer
Replacing people paid by the hour with machines converts a variable cost into a fixed one.
Answer
(B). That raises operating leverage, which Part 4 covers.
Part 4: Session 4 (single-product cost-volume-profit, Chapter 4)
CVP is the single most testable topic in the course: it is quantitative, it chains together (break-even leads to target profit leads to margin of safety leads to operating leverage), and the homework problems (E4-3, E4-6, E4-14, E4-16, P4-19, P4-22, P4-31, P4-32) all use it. Do every question here on paper.
The running example for Q1 to Q11. Brightline Lamps sells one lamp. Price $80, variable cost $48 per lamp, fixed expenses $96,000 per year, and it sold 4,000 lamps this year.
Q1Very likely
Prepare the contribution-format income statement for 4,000 lamps, and give the unit contribution margin, the CM ratio and the variable expense ratio.
How to answer
Sales = 4,000 x $80. Variable expenses = 4,000 x $48. CM = sales minus variable expenses. Net operating income = CM minus fixed expenses. CM ratio = CM / sales; variable expense ratio = variable expenses / sales; they add to 100%.
Answer
Sales $320,000; variable expenses $192,000; contribution margin $128,000; fixed expenses $96,000; net operating income $32,000. Unit CM = 80 - 48 = $32. CM ratio = 32 / 80 = 40%. Variable expense ratio = 48 / 80 = 60%.
Q2Very likely
Find the break-even point in units and in dollars.
How to answer
At break-even, CM exactly covers fixed expenses. Units = fixed expenses / unit CM. Dollars = fixed expenses / CM ratio (or units x price). Both methods must agree.
Answer
Units = 96,000 / 32 = 3,000 lamps. Dollars = 96,000 / 0.40 = $240,000 (= 3,000 x $80).
Q3Very likely
How many lamps and how many sales dollars are needed for a before-tax profit of $40,000?
How to answer
Treat the target profit like an extra fixed cost: (fixed expenses + target profit) / unit CM, or / CM ratio for dollars.
The company wants an AFTER-tax profit of $42,000 and its tax rate is 30%. How many lamps must it sell, and what are the sales dollars?
How to answer
Do NOT add the after-tax figure to fixed expenses. Gross it up first: before-tax profit = after-tax profit / (1 - tax rate). Then use the target-profit formula. If the units are not a whole number, round UP.
Calculate the margin of safety in dollars, as a percentage of sales and in units.
How to answer
Margin of safety is how far sales can fall before a loss: actual (or budgeted) sales minus break-even sales. Percentage = margin of safety / sales. Units = actual units minus break-even units.
Compute the degree of operating leverage. If sales rise 15%, by what percentage will net operating income rise, and what will it be?
How to answer
DOL = contribution margin / net operating income, measured at the current sales level. Percentage change in income = DOL x percentage change in sales (fixed expenses do not change).
Answer
DOL = 128,000 / 32,000 = 4. Income rises 4 x 15% = 60%, to 32,000 x 1.60 = $51,200. Check: 4,600 lamps x $32 = 147,200 - 96,000 = 51,200.
Q7Very likely
Management proposes an extra $12,000 of advertising that should raise sales by 10% (to 4,400 lamps). Will net operating income increase?
How to answer
Use the incremental approach: extra units x unit CM minus the increase in fixed cost. You do not need to rebuild the whole income statement.
Answer
400 extra lamps x $32 = $12,800 added CM, less $12,000 advertising = +$800. Income rises from $32,000 to $32,800, so the proposal is marginally profitable.
Q8Very likely
A higher-quality part raises variable cost by $4 per lamp (to $52) and lifts sales to 4,600 lamps. What happens to net operating income?
How to answer
Two effects. First, the existing 4,000 lamps now each earn $4 less. Second, the new 600 lamps each earn the NEW unit CM of $28 (80 - 52).
Answer
Existing units: 4,000 x (-4) = -$16,000. New units: 600 x 28 = +$16,800. Net +$800, so income becomes $32,800. Direct check: 4,600 x 28 = 128,800 - 96,000 = 32,800.
Q9Very likely
The company is considering a 10% price cut (to $72) with an additional $8,000 of advertising, expecting sales of 5,200 lamps. Evaluate it.
How to answer
The price cut reduces the CM on every existing unit ($8 each). The new unit CM is $24 (72 - 48). Add the extra units at the new CM and subtract the added fixed cost.
Answer
Existing units: 4,000 x (-8) = -$32,000. New units: 1,200 x 24 = +$28,800. Advertising: -$8,000. Net -$11,200, so income falls to $20,800. Reject the plan. Direct check: 5,200 x 24 = 124,800 - 104,000 = 20,800.
Q10Very likely
Fixed sales salaries of $18,000 are replaced by a $3 per lamp commission, and sales rise 5% to 4,200 lamps. Is the change worthwhile?
How to answer
Variable cost becomes $51 per lamp (new unit CM $29). Fixed expenses fall by $18,000. Use the incremental method or rebuild the statement.
Answer
Existing units: 4,000 x (-3) = -$12,000. New units: 200 x 29 = +$5,800. Fixed cost saving: +$18,000. Net +$11,800, so income rises to $43,800. Direct check: 4,200 x 29 = 121,800 - 78,000 = 43,800.
Q11Very likely
If the price is cut to $72 with no other change, how many lamps must be sold to keep the original income of $32,000?
How to answer
Use the target-profit formula with the new unit CM, and round up to a whole lamp.
Answer
New unit CM = 72 - 48 = $24. Units = (96,000 + 32,000) / 24 = 5,333.3, so 5,334 lamps (a 33.4% volume increase to offset a 10% price cut).
Q12Very likely
(Work backwards) A company has sales of $500,000, variable expenses of $300,000 and net operating income of $60,000. Find fixed expenses, break-even sales and the margin of safety in dollars.
How to answer
Fill in the contribution income statement from the top: CM = sales minus variable expenses; fixed expenses = CM minus operating income.
Answer
CM = $200,000 and the CM ratio is 40%. Fixed expenses = 200,000 - 60,000 = $140,000. Break-even sales = 140,000 / 0.40 = $350,000. Margin of safety = 500,000 - 350,000 = $150,000 (30%).
Q13Likely
Sales rise by $50,000 and fixed expenses do not change. If the CM ratio is 40%, by how much does net operating income change?
How to answer
Change in CM = CM ratio x change in sales, and with fixed costs unchanged the same amount flows to operating income.
Answer
0.40 x 50,000 = +$20,000.
Q14Likely
(Matching) On a CVP graph with units on the horizontal axis and dollars on the vertical axis, match: (a) a horizontal line, (b) a line starting at the fixed-cost level and sloping up at the variable cost per unit, (c) a line starting at the origin and sloping up at the price, (d) the intersection of (b) and (c). Choices: total sales, total expenses, fixed expenses, break-even point.
How to answer
Trace each line from its starting point and think about its slope.
Answer
(a) fixed expenses. (b) total expenses. (c) total sales. (d) break-even point. The area between the lines above break-even is profit; below it is loss.
Q15Likely
(Multi-select) Which are assumptions of CVP analysis? (a) Selling price is constant. (b) Costs are linear and can be split into variable and fixed. (c) In a multi-product firm, the sales mix is constant. (d) In a manufacturer, inventories do not change. (e) Variable cost per unit rises with volume.
How to answer
CVP is a simple model, so it assumes straight lines and a stable mix.
Answer
(a), (b), (c) and (d). (e) is false.
Q16Likely
Company A has a CM ratio of 60% and fixed expenses of $120,000; Company B has a CM ratio of 30% and fixed expenses of $30,000. Both have sales of $300,000. Compare their operating leverage, and what happens to each if sales rise or fall 10%?
How to answer
Compute net operating income, then DOL = CM / NOI for each. The firm with more fixed costs has the higher DOL, so its income is more sensitive to sales.
Answer
Company A: CM $180,000, NOI $60,000, DOL 3. Company B: CM $90,000, NOI $60,000, DOL 1.5. If sales rise 10%, A's income rises 30% (to $78,000) and B's rises 15% (to $69,000). If sales fall 10%, A falls to $42,000 and B only to $51,000. High fixed cost means higher profit in good years and lower profit in bad years.
Q17Likely
(Multiple choice) Which statement about the margin of safety and operating leverage is true? (A) Margin of safety percentage equals DOL. (B) Margin of safety percentage equals 1 / DOL. (C) DOL is the same at every sales level. (D) DOL is lowest near break-even.
How to answer
Margin of safety % = (sales - break-even sales) / sales and DOL = CM / NOI; with fixed costs constant these are reciprocals. DOL is highest near break-even and falls as sales grow.
Answer
(B). In the Brightline example, the margin of safety is 25% and DOL is 4.
Q18Possible
(Multi-select) Which changes lower the break-even point, holding everything else constant? (a) A higher selling price. (b) A lower variable cost per unit. (c) A higher fixed expense. (d) A lower fixed expense.
How to answer
Break-even = fixed expenses / unit CM. Break-even falls if the numerator falls or the unit CM rises.
Answer
(a), (b) and (d).
Part 5: Session 5 (multi-product CVP and sales mix, Chapter 4)
Session 5 extends CVP to several products. The one idea is the weighted-average contribution margin, which depends on the sales mix. Homework problems E4-9, E4-17, P4-20, P4-25 and P4-26 all use it.
The running example for Q1 to Q6 and Q8. Northpeak sells two products. Product A: sales $240,000, variable expenses $144,000. Product B: sales $360,000, variable expenses $162,000. Total fixed expenses are $196,000.
Q1Very likely
Find each product's CM and CM ratio, the sales mix, the overall (weighted-average) CM ratio, net operating income, and the break-even sales dollars in total and for each product.
How to answer
Compute each product's CM and CM ratio. The sales mix is each product's share of total sales dollars. The overall CM ratio is total CM / total sales (equivalently the mix-weighted average of the product ratios). Break-even sales = fixed expenses / overall CM ratio; then split by the mix.
Answer
A: CM $96,000 (40%). B: CM $198,000 (55%). Total sales $600,000; total CM $294,000, so overall CM ratio = 294,000 / 600,000 = 49%. Mix: A 40%, B 60%; check 0.40 x 40% + 0.60 x 55% = 16% + 33% = 49%. Net operating income = 294,000 - 196,000 = $98,000. Break-even sales = 196,000 / 0.49 = $400,000: A = $160,000 and B = $240,000. Check: 0.40 x 160,000 + 0.55 x 240,000 = 64,000 + 132,000 = 196,000.
Q2Very likely
(Units version) Product X sells for $50 with variable cost of $30; Product Y sells for $80 with variable cost of $55. Fixed expenses are $154,000 and the mix is 60% X and 40% Y in UNITS. Find break-even units in total and for each product.
How to answer
Weighted-average unit CM = sum of (unit CM x unit mix). Break-even units (total) = fixed expenses / weighted-average unit CM. Then split by the unit mix.
Answer
Unit CMs: X $20, Y $25. Weighted-average unit CM = 0.6 x 20 + 0.4 x 25 = 12 + 10 = $22. Total break-even = 154,000 / 22 = 7,000 units: X = 0.6 x 7,000 = 4,200 and Y = 0.4 x 7,000 = 2,800. Check: 4,200 x 20 + 2,800 x 25 = 84,000 + 70,000 = 154,000.
Q3Very likely
How many sales dollars does Northpeak need to earn a before-tax profit of $147,000, assuming the same mix?
How to answer
Same target-profit formula, using the overall CM ratio.
Answer
(196,000 + 147,000) / 0.49 = $700,000. At the 40/60 mix, A is $280,000 and B is $420,000.
Q4Very likely
Total sales stay at $600,000 but the mix shifts to 60% A and 40% B. What happens to the overall CM ratio, net operating income and break-even sales?
How to answer
Recompute the weighted-average CM ratio with the new weights. Because A has the lower CM ratio, shifting toward A pulls the average down.
Answer
Overall CM ratio = 0.60 x 40% + 0.40 x 55% = 24% + 22% = 46%. CM = 0.46 x 600,000 = $276,000. Net operating income = 276,000 - 196,000 = $80,000, which is $18,000 lower than before. Break-even sales = 196,000 / 0.46 = $426,087, up from $400,000. A shift toward lower-margin products hurts even if total sales do not change.
Q5Likely
A student averages the two CM ratios (40% and 55%) to get 47.5% and uses it for break-even. What is wrong?
How to answer
A simple average ignores how much of each product is sold. The weights must be the sales mix.
Answer
A simple average treats both products as equal in importance. The weighted average (49%) reflects that B is 60% of sales. Using 47.5% would overstate break-even sales (196,000 / 0.475 = $412,632 instead of $400,000).
Q6Very likely
Calculate Northpeak's margin of safety in dollars and as a percentage, and in dollars of Product B.
How to answer
Margin of safety = actual sales minus break-even sales. For one product, apply its mix share.
Answer
600,000 - 400,000 = $200,000; 200,000 / 600,000 = 33.3%. Product B's share at the 60% mix = 0.60 x 200,000 = $120,000.
Q7Likely
(Multiple choice) In a multi-product break-even calculation, the result is valid only if (A) every product has the same CM ratio, (B) the sales mix stays constant, (C) fixed expenses are allocated to products, (D) prices fall as volume rises.
How to answer
The break-even total is computed from one weighted average, which depends on the assumed mix. If the mix changes, the weighted average changes.
Answer
(B).
Q8Very likely
Using the units data from Q2, suppose the company actually sells 5,000 units of X and 3,000 units of Y. Calculate net operating income and the sales mix in units, and say whether the break-even computed in Q2 still applies.
How to answer
Income = total CM minus fixed expenses. The actual mix may differ from the planned mix, and then the planned break-even no longer applies.
Answer
CM = 5,000 x 20 + 3,000 x 25 = 100,000 + 75,000 = 175,000. Net operating income = 175,000 - 154,000 = $21,000. Mix = 5,000 / 8,000 = 62.5% X and 37.5% Y, different from the planned 60/40, so the 7,000-unit break-even applies only to the planned mix. At the actual mix the weighted unit CM is 0.625 x 20 + 0.375 x 25 = $21.875.
Q9Very likely
After-tax target: Northpeak wants an after-tax profit of $73,500 and the tax rate is 25%. Find the required sales dollars.
How to answer
Gross up the after-tax profit by dividing by (1 - tax rate), then use the target-profit formula with the overall CM ratio.
A three-product firm has fixed expenses of $110,000. Product A: sales $100,000, CM ratio 30%. Product B: sales $200,000, CM ratio 50%. Product C: sales $200,000, CM ratio 20%. Find the overall CM ratio, break-even sales, and break-even sales of Product A.
How to answer
Compute each product's CM in dollars (sales x ratio), add them, divide by total sales. Then apply the mix (A is 20% of sales).
Answer
CMs: A $30,000, B $100,000, C $40,000; total $170,000 on sales of $500,000, so the overall CM ratio is 34%. Break-even sales = 110,000 / 0.34 = $323,529. Product A's share (20%) = $64,706. Current profit = 170,000 - 110,000 = $60,000.
Q11Likely
(Multiple choice) If the company can promote only one product and has plenty of capacity, which product should it push to raise profit the most per dollar of sales? (A) The one with the highest sales price. (B) The one with the highest CM ratio. (C) The one with the lowest variable cost per unit. (D) The one with the lowest fixed cost.
How to answer
Each additional sales dollar of a product adds its CM ratio in cents to profit when fixed costs are unchanged. (When a resource is limited, Part 8 uses CM per unit of the constraint instead.)
Answer
(B).
Part 6: Session 6 (segmented contribution income statements, Chapter 11)
Session 6 is a short session (pages 488 to 495) but it feeds directly into the add-or-drop decision in Session 7. The key distinction is traceable versus common fixed costs, and the key trap is allocating common costs. Homework problems E11-2, E11-3, E11-4, P11-17 and P11-19 apply it.
The running example for Q1 to Q4. Harbourview Inc. has two divisions. East: sales $400,000, variable expenses $240,000, traceable fixed expenses $90,000. West: sales $300,000, variable expenses $150,000, traceable fixed expenses $135,000. Common fixed expenses of the company are $50,000.
Q1Very likely
Prepare the segmented contribution income statement: CM and segment margin for each division and the company, then company net operating income.
How to answer
Segment CM = segment sales minus segment variable expenses. Segment margin = segment CM minus the segment's TRACEABLE fixed expenses. Add the segment margins for the company, then subtract the common fixed expenses (not allocated to segments) to get net operating income.
Answer
East: CM $160,000 (40%), segment margin $70,000. West: CM $150,000 (50%), segment margin $15,000. Company: sales $700,000, variable expenses $390,000, CM $310,000, traceable fixed $225,000, segment margins $85,000, less common fixed $50,000, net operating income $35,000.
Q2Very likely
Management allocates the $50,000 of common costs to the divisions in proportion to sales. What profit does each division now show, and should West be dropped?
How to answer
Allocation by sales: West gets 300/700 of $50,000 and East gets 400/700. Then compare with the correct decision rule: a common fixed cost does not go away if a division is dropped, so only the segment margin matters.
Answer
West is allocated $21,429, so it shows 15,000 - 21,429 = -$6,429 (apparently a loss). East is allocated $28,571 and shows $41,429. The total is still $35,000. But dropping West would remove its $15,000 segment margin and none of the common costs, so company profit would fall from $35,000 to $20,000. Keep West (all else equal). Arbitrarily allocating common costs can make a profitable segment look unprofitable and holds managers accountable for costs they cannot control.
Q3Very likely
(Multi-select) Which of the following are TRACEABLE fixed costs of a segment (a division)? (a) The division manager's salary. (b) The CEO's salary. (c) Depreciation on equipment used only by the division. (d) Corporate image advertising. (e) Advertising for the division's products.
How to answer
A traceable fixed cost exists because of the segment and would disappear over time if the segment were eliminated. A common fixed cost serves the whole organization and would not disappear.
Answer
(a), (c) and (e). (b) and (d) are common costs.
Q4Likely
East's sales rise by 10% ($40,000) with no change in fixed expenses. By how much does East's segment margin change?
How to answer
Change in CM = CM ratio x change in sales; fixed costs are unchanged so the same amount reaches the segment margin.
Answer
0.40 x 40,000 = +$16,000, so East's segment margin rises from $70,000 to $86,000.
Q5Very likely
(Multiple choice) Which measure is the best gauge of the long-run profitability of a segment? (A) Contribution margin. (B) Segment margin. (C) Gross margin. (D) Net operating income after allocating common costs.
How to answer
Long-run profitability needs the segment to cover its own traceable fixed costs too. Contribution margin is more useful for short-run decisions such as volume changes and special orders.
Answer
(B).
Q6Very likely
A division has two product lines. Line P: sales $180,000, variable expenses $90,000, traceable fixed expenses $40,000. Line Q: sales $120,000, variable expenses $78,000, traceable fixed expenses $30,000. Fixed expenses of $14,000 are common to the two lines but traceable to the division. Find each product line's margin, the divisional margin and the total fixed expenses traceable to the division.
How to answer
At the product-line level, only fixed costs traceable to each line are charged. The $14,000 is common to the two lines and is NOT allocated to them, but it is traceable to the division, so it is deducted at the division level. A cost traceable to a larger segment can be common to the smaller segments inside it.
Answer
Line P: CM $90,000 minus $40,000 = $50,000. Line Q: CM $42,000 minus $30,000 = $12,000. Combined $62,000, minus $14,000 common to the lines = divisional margin $48,000. Fixed expenses traceable to the division = 40,000 + 30,000 + 14,000 = $84,000.
Q7Likely
(Multiple choice) An airline's landing fee for a flight is traceable to the flight. For the first-class, business-class and economy sections of that flight, the landing fee is (A) traceable to each section, (B) a common cost, (C) a variable cost, (D) not a cost.
How to answer
You cannot trace the fee to any one cabin, because the plane lands once no matter what.
Answer
(B).
Q8Likely
(Multi-select) Which are hindrances to proper cost assignment to segments? (a) Omitting costs from parts of the value chain such as R&D or customer service. (b) Using inappropriate methods to assign traceable costs. (c) Dividing common costs arbitrarily among segments. (d) Using the contribution format.
How to answer
The contribution format is the solution, not the hindrance.
Answer
(a), (b) and (c).
Q9Very likely
(Work backwards) A company has total contribution margin of $250,000, traceable fixed expenses of $140,000 and common fixed expenses of $25,000. What is the company's net operating income, and what is the total of the segment margins?
How to answer
Segment margins add up to CM minus traceable fixed costs. Common costs are deducted only at the company level.
Answer
Total segment margins = 250,000 - 140,000 = $110,000. Net operating income = 110,000 - 25,000 = $85,000.
Q10Likely
(Multi-select) Which are advantages of decentralization? (a) Top management is freed to focus on strategy. (b) Decisions are made by people with the most up-to-date detail. (c) Faster response to customers. (d) Lower-level managers may pursue objectives that clash with the organization's. (e) Lower-level managers are trained and motivated.
How to answer
Remember there are five advantages and four disadvantages. The disadvantages are lack of strategic understanding, lack of coordination, difficulty spreading ideas, and clashing objectives such as empire building.
Answer
(a), (b), (c) and (e). (d) is a disadvantage.
Q11Possible
(Fill in the blank) A segment is any part of an organization about which a manager seeks ______, ______ or profit data.
How to answer
Examples are a store, sales territory, product line or region.
Answer
Cost; revenue.
Part 7: Sessions 7 and 8 (relevant costs, add or drop, make or buy, Chapter 12)
The big idea of Chapter 12 is that only costs and benefits that are future AND different between alternatives matter. Everything else is noise. Homework problems E12-18, E12-20, P12-21, E12-16, P12-23 and the self-review problems apply it to adding or dropping a segment (Session 7) and to make-or-buy decisions (Session 8).
Q1Very likely
(Multi-select) Which two categories of cost are NEVER relevant to a decision? (a) Sunk costs. (b) Avoidable costs. (c) Future costs that do not differ between the alternatives. (d) Differential costs. (e) Opportunity costs.
How to answer
Relevant = future AND different. Anything already spent, or the same under every alternative, drops out. Avoidable, differential and opportunity costs are all relevant.
Answer
(a) and (c).
Q2Very likely
A traveller can drive or take the train for a 200 km each-way trip (400 km round trip). Driving costs: gasoline $0.20 per km, maintenance $0.06 per km, tires $0.01 per km, parking at the destination $30 per day for 2 days, annual depreciation $3,000 and annual insurance $1,800 (the car is driven 12,000 km per year). The round-trip train fare is $150. Which is cheaper financially?
How to answer
Depreciation and insurance are the same whether or not you make this trip, so they are irrelevant. Count only the costs that change with this trip: the per-km costs for 400 km and the parking. Do not use an "average cost per km" that includes fixed costs.
Answer
Relevant cost of driving = gasoline 0.20 x 400 = $80 + maintenance 0.06 x 400 = $24 + tires 0.01 x 400 = $4 + parking $60 = $168. Train = $150. The train is cheaper by $18. The trap is the average cost of $0.67 per km (0.25 depreciation + 0.15 insurance + 0.27 running costs), which would give $268 and exaggerate the saving.
Q3Very likely
A company sells 6,000 units. Direct labour is $9 per unit. A rented machine for $4,000 per year would cut direct labour to $6 per unit. Using the differential approach, should it rent the machine, and at what volume does renting break even?
How to answer
List only the items that differ: the labour saving per unit and the extra rent. Break-even volume = added fixed cost / saving per unit.
Answer
Labour saving = 6,000 x $3 = $18,000; extra rent = $4,000; net advantage $14,000, so rent the machine. Break-even volume = 4,000 / 3 = 1,333 units; above that volume renting wins.
The running example for Q4 and Q5. A retailer's Jackets line shows contribution margin of $210,000 and these fixed expenses: line manager's salary $70,000 (avoidable), direct advertising $60,000 (avoidable), depreciation on equipment $40,000 (no resale value or alternative use), allocated general administration $55,000 (total company cost is unchanged if the line is dropped). Net operating loss: $15,000.
Q4Very likely
Should the Jackets line be dropped?
How to answer
Compare the contribution margin that would be lost with the fixed costs that would actually disappear. Depreciation on equipment with no alternative use is sunk and unavoidable, and allocated general administration is simply reallocated to other lines. A segment loss caused by unavoidable allocated costs is not a reason to drop it.
Answer
Lost CM = $210,000. Avoidable fixed costs = 70,000 + 60,000 = $130,000. Net disadvantage of dropping = -$80,000, so keep the line. Check by comparing profit: keep = -$15,000; drop = sales 0 but depreciation 40,000 + allocated administration 55,000 = 95,000 still incurred, so profit = -$95,000, which is $80,000 worse.
Q5Very likely
If the Jackets line is dropped, the floor space could be used for another product with a segment margin of $90,000. Does the answer change?
How to answer
An opportunity cost belongs in the analysis: add the benefit of the best alternative use of the space to the "drop" side.
Answer
Dropping costs $80,000 on its own, but freeing the space adds $90,000: net +$10,000. Drop the line and use the space for the other product. Without that alternative use the line should be kept.
Q6Likely
(Multiple choice) The decision rule for dropping a segment is: drop it only if (A) the segment shows a net loss, (B) its allocated costs exceed its sales, (C) the avoidable fixed costs saved exceed the contribution margin lost, (D) its CM ratio is below the company's.
How to answer
Compare what you lose (CM) with what you save (avoidable fixed costs).
Answer
(C).
Q7Very likely
A firm makes 12,000 units of a part a year. Per unit: direct materials $6, direct labour $4, variable overhead $2. Fixed: the supervisor's salary $36,000 (avoidable if the part is bought), depreciation on special equipment $24,000 (no resale value) and allocated general factory overhead $48,000 (unchanged either way). A supplier offers the part at $14. Make or buy? What is the most it should pay?
How to answer
Relevant cost to make = variable costs + avoidable fixed costs. Ignore sunk depreciation and the unchanged allocated overhead. Compare the total (or per unit) with the price to buy. The most you should pay equals the relevant cost to make per unit.
Answer
Relevant cost to make = 12,000 x (6 + 4 + 2) + 36,000 = 144,000 + 36,000 = $180,000 ($15 per unit). Buy = 12,000 x 14 = $168,000. Buying saves $12,000, so buy. The most it should pay is $15 per unit. The trap is the full unit cost of $21 (it includes the depreciation and allocated overhead), which would overstate the cost of making.
Q8Very likely
Suppose the supplier's price in Q7 is $16, and if the part is bought, the freed space and equipment could be rented out for $20,000 a year. What is the best decision?
How to answer
First compare make against buy on direct costs, then add the opportunity cost of the capacity used to make the part.
Answer
Buy = 12,000 x 16 = $192,000 against $180,000 to make: making is $12,000 cheaper on its own. But making uses capacity that could earn $20,000, so the true cost of making is $200,000. Buying is better by $8,000.
Q9Likely
(Multiple choice) Which is a strategic reason to MAKE a part rather than buy it? (A) A supplier can pool demand from many companies and gain economies of scale. (B) Better quality control and a smoother flow of parts. (C) The firm lacks the skills. (D) Fixed costs would fall.
How to answer
Advantages of making include better quality control, a smoother flow of materials and potentially higher profit. A disadvantage is missing a specialist supplier's economies of scale.
Answer
(B).
Q10Likely
(Fill in the blank) A firm that carries out more than one activity of the value chain, such as making its own components, is said to be ______.
How to answer
Think of the extent to which a firm controls the stages from supplier to customer.
Answer
Vertically integrated.
Q11Very likely
(Multi-select) A firm is deciding whether to drop a product line. Which of these are relevant? (a) The line's contribution margin. (b) The line manager's salary, which would be eliminated. (c) Depreciation on equipment that has no resale value. (d) General administration that is allocated to the line but would remain. (e) Rent on a building space that would be released.
How to answer
Ask of each item: would it change if the line were dropped?
Answer
(a), (b) and (e). (c) is sunk and (d) is unavoidable.
Q12Possible
(Multiple choice) Why is the differential approach usually preferred to preparing a full income statement for each alternative? (A) It is required by GAAP. (B) There is rarely enough information to prepare complete statements for each alternative, and mixing in irrelevant items causes confusion. (C) It always gives a different answer. (D) It includes sunk costs.
How to answer
Focus on what differs.
Answer
(B).
Part 8: Sessions 9 and 10 (special orders and constrained resources, Chapter 12)
Special orders (Session 9) and the production plan under a constraint (Session 10) are two of the most mechanical, most testable pieces of Chapter 12. Homework problems E12-10, P12-28, E12-8 and P12-22 drill them.
The running example for Q1 to Q5. Kite Co. sells kites at $30. It can make 20,000 kites a year and currently sells 12,000. Variable costs per kite: direct materials $8, direct labour $5, variable manufacturing overhead $3 and variable selling $2 (total $18). Fixed manufacturing costs are $84,000 and fixed selling costs $36,000 per year. A foreign distributor offers to buy 4,000 kites once for $21 each. No variable selling cost would be incurred on this order, regular sales would not be affected, and fixed costs would not change.
Q1Very likely
Should Kite Co. accept the special order? By how much does operating income change?
How to answer
Only incremental revenues and incremental costs matter. Incremental cost per unit = the variable costs that WOULD be incurred (here $8 + $5 + $3 = $16; the $2 selling cost is not incurred). Fixed costs are unchanged, so ignore them. There is idle capacity (20,000 - 12,000 = 8,000), so no regular sales are displaced.
Answer
Incremental revenue = 4,000 x 21 = $84,000. Incremental cost = 4,000 x 16 = $64,000. Change in operating income = +$20,000. Accept. Income rises from $24,000 (12,000 x 12 = 144,000 CM less 120,000 fixed) to $44,000.
Q2Very likely
A manager says, "Our full cost per kite is $28, so we should not sell at $21." Explain what is wrong with that reasoning.
How to answer
Full unit cost includes fixed costs spread over regular volume (120,000 / 12,000 = $10, so full cost = 18 + 10 = $28). Those fixed costs exist whether or not the order is accepted, so they are not relevant to the special order.
Answer
The $10 of fixed cost per kite is not an incremental cost of the order. Only the $16 of costs that rise because of the order matters, so any price above $16 adds to profit. Comparing $21 with $28 would wrongly reject an order worth $20,000.
Q3Very likely
What is the minimum acceptable price per kite for the order (a) if there are no extra fixed costs, and (b) if the order requires a special tool costing $12,000 that has no other use?
How to answer
The minimum price covers the incremental cost: incremental variable cost per unit plus any extra fixed cost divided by the units in the order.
Answer
(a) $16. (b) 16 + 12,000 / 4,000 = $19.
Q4Very likely
Suppose the plant's capacity were only 14,000 kites, so accepting the 4,000-kite order would displace 2,000 regular sales. Should the order be accepted?
How to answer
Now there is an opportunity cost: each displaced regular kite loses its regular contribution margin ($30 - $18 = $12). Subtract the lost CM from the order's incremental profit.
Answer
Order profit = $20,000. Lost regular CM = 2,000 x 12 = $24,000. Net = -$4,000, so reject the order (or negotiate a price above about $22).
Q5Likely
(Multi-select) Which qualitative factors should management consider before accepting a special order at a low price? (a) The effect on the price expectations of regular customers. (b) The risk of breaching price-discrimination laws. (c) Whether the order uses up capacity needed by regular customers. (d) The colour of the packaging. (e) Whether it might lead to more business later.
How to answer
Think about knock-on effects beyond the one-time arithmetic.
Answer
(a), (b), (c) and (e).
Q6Likely
(Work backwards) A firm makes 15,000 lenses at $50 with capacity of 30,000. Variable production cost is $10 per lens and fixed production cost is $270,000. A special order for 10,000 lenses requires an imprinting machine costing $50,000 with no further use; no selling costs apply. What is the minimum price per lens?
How to answer
Fixed production cost ($270,000) is irrelevant; the new machine IS relevant.
Answer
(10,000 x 10 + 50,000) / 10,000 = $15 per lens.
The running example for Q7 to Q11. Pelican Boards makes two products on one machine that has 3,600 minutes available per week. Product S: price $50, variable cost $30 (CM $20), 2.0 machine minutes per unit, weekly demand 1,000. Product T: price $40, variable cost $28 (CM $12), 0.8 machine minutes per unit, weekly demand 3,000. All other resources are plentiful.
Q7Very likely
Is the machine a constraint? Which product should be emphasized, and what weekly production plan maximizes total contribution margin?
How to answer
Compare the machine time needed to meet all demand with the time available. If it is more, the machine is a constraint. Then rank products by contribution margin per minute of the constraint (not by unit CM or CM ratio), fill demand for the best product first, and give the leftover time to the next product. Total CM = sum of units x unit CM.
Answer
Time needed = 1,000 x 2.0 + 3,000 x 0.8 = 2,000 + 2,400 = 4,400 minutes, more than 3,600, so yes, it is a constraint. CM per minute: S = 20 / 2.0 = $10; T = 12 / 0.8 = $15. Emphasize T. Make 3,000 T (2,400 minutes), leaving 1,200 minutes for 1,200 / 2.0 = 600 S. Total CM = 3,000 x 12 + 600 x 20 = 36,000 + 12,000 = $48,000.
Q8Very likely
A manager wants to produce all the S first because it has the higher unit CM ($20 against $12) and the higher CM ratio (40% against 30%). What total CM results, and why is that wrong?
How to answer
Follow the manager's plan: meet S demand, then use the rest of the minutes on T.
Answer
1,000 S use 2,000 minutes, leaving 1,600 minutes for 1,600 / 0.8 = 2,000 T. Total CM = 1,000 x 20 + 2,000 x 12 = 20,000 + 24,000 = $44,000, which is $4,000 less than the correct plan. When one resource is scarce, a product's contribution per unit of THAT resource matters, not its CM per unit or CM ratio.
Q9Very likely
What is the most Pelican should be willing to pay per extra machine hour (above its normal cost), and how much extra CM would 120 extra minutes add?
How to answer
The value of relaxing the constraint is the CM per minute of the product that would use the extra time: that is the product that is not yet fully supplied.
Answer
The extra minutes would be used to make more S (T demand is already met), earning $10 per minute. The maximum premium is $10 per minute ($600 per hour). 120 extra minutes produce 60 more S for 60 x 20 = $1,200 extra CM.
The running example for Q10 and Q11. A furniture maker has 2,000 board feet of lumber. Chairs: CM $45 each, 3 board feet, demand 400. Tables: CM $140 each, 10 board feet, demand 100.
Q10Very likely
What production mix maximizes CM, and what is the total CM?
How to answer
Check whether demand exceeds supply, then rank by CM per board foot.
Answer
Lumber needed for full demand = 400 x 3 + 100 x 10 = 2,200 board feet, more than 2,000. CM per board foot: chairs 45 / 3 = $15; tables 140 / 10 = $14. Make all 400 chairs (1,200 bf), leaving 800 bf for 800 / 10 = 80 tables. Total CM = 400 x 45 + 80 x 140 = 18,000 + 11,200 = $29,200.
Q11Very likely
What is the most the firm should pay per extra board foot above the usual lumber price?
How to answer
The extra lumber would go to the next best use of the constraint.
Answer
Extra lumber would be used for tables (20 tables of unmet demand remain), earning $14 per board foot. That is the maximum premium.
Q12Likely
(Multi-select) Which are ways to manage (relax) a constraint? (a) Work overtime or add a shift. (b) Subcontract some production. (c) Reduce defective units made on the bottleneck. (d) Move workers from non-bottleneck areas. (e) Reduce fixed costs.
How to answer
Elevating the bottleneck means increasing the throughput of the constrained resource.
Answer
(a), (b), (c) and (d). Cutting fixed costs does not raise bottleneck capacity.
Q13Likely
(Fill in the blank) When a firm has more than one constraint, the best mix is found using ______ ______.
How to answer
With one constraint, you rank by CM per unit. With several, you need an optimization technique.
Answer
Linear programming.
Q14Possible
(Multiple choice) In choosing a product mix under a single constraint, fixed costs are usually (A) allocated to each product, (B) ignored because they do not change with the mix, (C) added to the variable cost, (D) divided by the constraint.
How to answer
A cost that stays the same under every mix is irrelevant.
Answer
(B).
Part 9: Sessions 11 and 12 (job-order costing, Chapter 5)
Sessions 11 and 12 teach how overhead is assigned to jobs with a predetermined rate, how the cost flows through the accounts, and how the over or underapplied balance is disposed of. Homework problems E5-3, E5-5, E5-12, P5-16 and P5-25 drill the calculations, and the course teaches a specific disposition rule that you must know: underapplied overhead is closed to cost of goods sold; overapplied overhead is allocated among work in process, finished goods and cost of goods sold in proportion to the overhead applied in their ending balances.
Q1Very likely
(Multi-select) Which businesses would most likely use job-order costing? (a) An architect. (b) A caterer for a wedding reception. (c) A ketchup manufacturer. (d) A builder of commercial fishing vessels. (e) A flour mill.
How to answer
Job-order costing fits unique, made-to-order products where costs must be traced job by job. Process costing fits homogeneous, continuous mass production.
Answer
(a), (b) and (d). (c) and (e) use process costing.
Q2Very likely
A company estimates total manufacturing overhead for the year at $900,000 and total direct labour hours at 50,000. Job 7A (40 units) uses direct materials of $4,200 and 60 hours of direct labour at $22 per hour. Compute the predetermined overhead rate, the overhead applied to the job, the total job cost and the unit cost.
How to answer
The rate is set BEFORE the year starts: estimated total overhead divided by the estimated total of the allocation base. Overhead applied to a job = rate x the actual base used by the job. Total job cost = direct materials + direct labour + applied overhead.
Answer
Rate = 900,000 / 50,000 = $18 per direct labour hour. Overhead applied = 60 x 18 = $1,080. Direct labour = 60 x 22 = $1,320. Total cost = 4,200 + 1,320 + 1,080 = $6,600. Unit cost = 6,600 / 40 = $165.
Q3Very likely
A machine-intensive plant estimates overhead of $720,000 and 30,000 machine hours. A job uses 150 machine hours. What overhead is applied to the job?
How to answer
Use machine hours as the allocation base because they drive the overhead in this plant.
Answer
Rate = 720,000 / 30,000 = $24 per machine hour. Overhead applied = 150 x 24 = $3,600.
Q4Very likely
(Multiple choice) Why do firms use a predetermined overhead rate instead of waiting for actual overhead? (A) Actual overhead is not known until the end of the period, so job costs for pricing, bidding and interim reporting would be delayed, and unit costs would swing with seasonal overhead and volume. (B) It is required by tax law. (C) It always matches actual overhead. (D) It eliminates the need for a job cost sheet.
How to answer
Think about when the information is needed versus when the actual numbers arrive.
Answer
(A).
Q5Likely
(Multiple choice) The best allocation base for applying overhead is (A) always direct labour hours, (B) the one that is easiest to measure, (C) a cost driver, the factor that causes overhead to occur, (D) the one with the lowest total.
How to answer
If the base does not drive the cost, the rates and product costs are distorted.
Answer
(C).
Q6Very likely
Using the $18 rate from Q2: (a) Actual direct labour hours were 47,000 and actual overhead was $861,000. (b) In another year actual hours were 52,000 and actual overhead was $921,000. For each case, find the overhead applied and say whether it is under or overapplied, and by how much.
How to answer
Overhead applied = rate x ACTUAL hours. Underapplied (overapplied) overhead = actual overhead minus applied overhead. If applied is less than actual, it is underapplied (debit balance in the overhead account); if applied is more, it is overapplied (credit balance).
Answer
(a) Applied = 47,000 x 18 = $846,000. Actual $861,000 minus applied $846,000 = $15,000 underapplied. (b) Applied = 52,000 x 18 = $936,000. Actual $921,000 minus applied $936,000 = $15,000 overapplied.
Q7Very likely
Give the journal entry to dispose of the underapplied overhead in Q6(a).
How to answer
Under the course rule, underapplied overhead is closed to cost of goods sold (it is an extra expense of the period). It raises COGS.
Answer
Debit Cost of Goods Sold $15,000; credit Manufacturing Overhead $15,000.
Q8Very likely
In Q6(b) the overhead applied in the period ($936,000) now sits in Work in Process (10%), Finished Goods (30%) and Cost of Goods Sold (60%). Allocate the $15,000 overapplied overhead and give the journal entry.
How to answer
Allocate in proportion to the overhead applied in each account's ending balance (not the total balances), so inventories are not carried above cost. Overapplied overhead means the overhead account has a credit balance, so debit the overhead account to clear it and credit the three accounts.
Answer
WIP = 10% x 15,000 = $1,500; Finished Goods = 30% = $4,500; COGS = 60% = $9,000. Entry: Debit Manufacturing Overhead $15,000; credit Work in Process $1,500; credit Finished Goods $4,500; credit Cost of Goods Sold $9,000. (A shortcut sometimes taught is to close the whole amount to COGS; use the allocation method when the question mentions the course rule or asks to avoid overstating inventory.)
Q9Very likely
One month's activity: direct materials issued $120,000; indirect materials $10,000; direct labour $90,000 (4,500 hours); indirect labour $30,000; depreciation of the factory $40,000; factory utilities $25,000. Overhead is applied at $20 per direct labour hour. Beginning work in process $40,000; cost of goods manufactured $290,000. Beginning finished goods $30,000; cost of goods sold (before any adjustment) $270,000. Find actual overhead, applied overhead, the over or underapplied amount, ending work in process, ending finished goods, and adjusted cost of goods sold.
How to answer
Actual overhead = indirect materials + indirect labour + other factory costs. Applied = rate x actual hours. Work in process: beginning + direct materials + direct labour + applied overhead - cost of goods manufactured. Finished goods: beginning + cost of goods manufactured - cost of goods sold. Close any underapplied amount to COGS.
(Matching) Match each document to its purpose: materials requisition form, employee time ticket, job cost sheet, production order. (a) Records the materials, labour and overhead charged to one job. (b) Shows the type and quantity of materials taken from the storeroom and the job to charge. (c) Records an employee's hours and the job worked on. (d) Authorizes work to start on a job.
How to answer
Follow the document flow: sales order, production order, then requisitions and time tickets feed the job cost sheet.
Answer
(a) job cost sheet. (b) materials requisition form. (c) employee time ticket. (d) production order.
Q11Likely
(Multiple choice) Which journal entry applies manufacturing overhead to jobs? (A) Debit Manufacturing Overhead, credit Cash. (B) Debit Work in Process, credit Manufacturing Overhead. (C) Debit Finished Goods, credit Work in Process. (D) Debit Cost of Goods Sold, credit Finished Goods.
How to answer
Applied overhead increases the cost sitting in WIP and credits the overhead account (whose debit side holds the ACTUAL costs).
Answer
(B). (A) records actual overhead, (C) transfers completed jobs, (D) records the sale.
Q12Likely
A plant estimates overhead of $480,000 and direct labour cost of $400,000. A job has direct materials $4,000 and direct labour $2,500. Using a rate based on direct labour cost, find the overhead and total cost of the job.
How to answer
A rate can be a percentage of direct labour cost: estimated overhead / estimated direct labour cost.
Answer
Rate = 480,000 / 400,000 = 120% of direct labour cost. Overhead = 1.20 x 2,500 = $3,000. Total job cost = 4,000 + 2,500 + 3,000 = $9,500.
Q13Likely
A firm has two departments. Department 1 has estimated overhead of $240,000 and 12,000 direct labour hours; Department 2 has $90,000 and 18,000 hours. A job uses 30 hours in Department 1 and 10 hours in Department 2. Compare the overhead assigned using departmental rates and using a single plantwide rate.
How to answer
Departmental rates are separate predetermined rates for each department. A plantwide rate pools all overhead and all hours.
Answer
Departmental rates: $20 and $5 per hour, so overhead = 30 x 20 + 10 x 5 = $650. Plantwide rate = 330,000 / 30,000 = $11, so overhead = 40 x 11 = $440. The plantwide rate under-costs this job because it uses mostly the high-overhead department. Multiple rates are more accurate when departments incur overhead differently.
Q14Possible
A consulting firm's senior analyst has an annual salary cost of $84,000 and $36,000 of overhead is charged to the analyst's work. The analyst has 1,200 billable hours. What is the charge-out cost per hour?
How to answer
In a service firm the charge-out rate combines the cost of the person's time and the overhead and divides by billable hours.
Answer
(84,000 + 36,000) / 1,200 = $100 per hour.
Q15Possible
(Multiple choice) A job's average unit cost is $165. A manager says the cost of making one more unit is therefore $165. This is (A) correct, (B) incorrect, because fixed overhead does not change if another unit is made, so the incremental cost is lower than the average, (C) incorrect, because average cost is always lower, (D) correct, because overhead is variable.
How to answer
Average unit cost includes allocated fixed overhead.
Answer
(B).
Part 10: Session 13 (process costing, Chapter 6)
Session 13 is the last session on the midterm, and because it is the newest material it is very easy to under-practise. The tested skill is the weighted-average method: equivalent units, cost per equivalent unit, valuing ending work in process and units transferred out, and the cost reconciliation. Homework problems E6-8, P6-13 and P6-17 are the model. Expect a multi-step numerical-input question here.
The running example for Q1 to Q6. Brightwater Bottling's Mixing Department had beginning work in process of 1,000 units (60% complete for materials, 40% for conversion) carrying $14,400 of materials cost and $11,200 of conversion cost. During the month 9,000 units were started, 8,600 units were completed and transferred out, and 1,400 units remain in ending work in process (50% complete for materials, 30% for conversion). Costs added during the month: materials $106,500 and conversion $97,040. Use the weighted-average method.
Q1Very likely
Verify the physical flow of units.
How to answer
Units to account for (beginning WIP + units started) must equal units accounted for (units transferred out + ending WIP). This is the first check in every process-costing problem.
Answer
1,000 + 9,000 = 10,000 units to account for. 8,600 + 1,400 = 10,000 accounted for. The flow balances.
Q2Very likely
Compute the equivalent units of production for materials and for conversion.
How to answer
Weighted average: equivalent units = units completed and transferred out + equivalent units in ENDING work in process (ending units x percentage complete). The percentage complete of the BEGINNING work in process is ignored, because the method blends prior and current work. Calculate materials and conversion separately.
Compute the cost of the units transferred out and the cost of ending work in process.
How to answer
Units transferred out are 100% complete in both categories, so multiply the units by the whole-unit cost. Ending WIP is valued category by category: equivalent units x cost per equivalent unit.
Answer
Transferred out = 8,600 x 25 = $215,000. Ending WIP: materials 700 x 13 = $9,100, conversion 420 x 12 = $5,040, total $14,140.
Q5Very likely
Prepare the cost reconciliation.
How to answer
Costs to be accounted for (beginning WIP cost plus costs added) must equal costs accounted for (transferred out plus ending WIP). If they do not match, you have an error.
Answer
Costs to be accounted for = 14,400 + 11,200 + 106,500 + 97,040 = $229,140. Costs accounted for = 215,000 + 14,140 = $229,140. They balance.
Q6Likely
Give the journal entry for the units transferred from the Mixing Department to the Bottling Department, and the entry when Bottling completes goods and sends them to finished goods.
How to answer
Each department has its own work in process account. Transferring out credits the sending department and debits the receiving one (the "transferred-in" cost). Completed goods leave the last department for finished goods.
Answer
Transfer: Debit Work in Process, Bottling $215,000; credit Work in Process, Mixing $215,000. Completion in the last department: Debit Finished Goods; credit Work in Process, Bottling (for the cost of goods manufactured).
Q7Very likely
A department started 20,000 units; 14,000 were completed and transferred out, and 6,000 remain in ending work in process, 35% complete. How many equivalent units?
How to answer
Completed units count as 100%. Partly done units count in proportion to the work done.
(Work backwards) A department has 500 units in beginning work in process, transfers out 4,200 units and has 800 units in ending work in process that are 25% complete. How many units were started, and what are the equivalent units?
How to answer
Use the flow equation: beginning + started = transferred out + ending.
Answer
Started = 4,200 + 800 - 500 = 4,500 units. Equivalent units = 4,200 + 800 x 0.25 = 4,200 + 200 = 4,400.
Q9Likely
(Multiple choice) Under the weighted-average method, the percentage completion of the beginning work in process is (A) used to compute the equivalent units of the beginning inventory, (B) ignored, because the method blends costs and work from prior and current periods, (C) used only for conversion costs, (D) used only for materials.
How to answer
Weighted average does not separate prior-period work from current-period work. The beginning inventory's cost simply goes into the numerator of the cost per equivalent unit.
Answer
(B).
Q10Likely
(Multiple choice) Why are direct labour and overhead often combined into "conversion cost" in process costing? (A) Direct labour is usually a small part of cost in highly automated process settings, and both are added to the product in the same pattern. (B) It is required by GAAP. (C) To avoid computing equivalent units. (D) Overhead is always variable.
How to answer
In a continuous process labour is a small, uniform input, so the two are treated as one category. You still compute equivalent units separately for materials and for conversion, because they may be added in different patterns.
Answer
(A).
Q11Very likely
(Multi-select) Which statements describe PROCESS costing rather than job-order costing? (a) Costs are accumulated by department during a period. (b) The key document is the job cost sheet. (c) Unit costs are computed by department on a production report. (d) A single product is produced continuously and all units are identical. (e) Many different products are made to order.
How to answer
Process costing = departments, production report, homogeneous output. Job-order costing = jobs, job cost sheet, customized output.
Answer
(a), (c) and (d).
Q12Likely
(Multiple choice) Which statement about similarities between job-order and process costing is correct? (A) Only job-order costing uses the same manufacturing accounts. (B) Both assign material, labour and overhead to products and compute unit costs, and the flow of costs through the accounts is basically the same. (C) Neither uses overhead. (D) Only process costing uses work in process.
How to answer
The two systems differ in how costs are accumulated, not in the basic accounts.
Answer
(B).
Q13Possible
(Multiple choice) Operation costing is (A) a hybrid in which materials are charged to batches as in job-order costing and conversion costs are assigned as in process costing, (B) identical to process costing, (C) used only by banks, (D) a method for standard costs.
How to answer
Think of batches of different products that pass through the same processing department.
Answer
(A).
Q14Possible
(Fill in the blank) A heavily automated plant organized around cells of automated equipment that reduces setup time is called a ______ ______ system.
How to answer
The system makes it possible to switch from costly job-order costing to less costly process or operation costing.
Answer
Flexible manufacturing.
Part 11: Concept questions in the exam formats (matching, multi-select, fill-in, direction of change)
About 30 to 40% of the exam is conceptual, and the instructors say they want you to understand WHY variables are interconnected. This part pulls together the "what happens if" and definition questions that cut across sessions, in the formats the exam uses. Do these after Parts 2 to 10.
Q1Very likely
(Matching) Match each term to its definition. Terms: prime cost, conversion cost, contribution margin, margin of safety, segment margin, degree of operating leverage, sunk cost, opportunity cost. Definitions: (a) Sales minus variable expenses. (b) Direct materials plus direct labour. (c) Contribution margin divided by net operating income. (d) A past cost that cannot be changed by any current decision. (e) Segment contribution margin minus traceable fixed expenses. (f) Actual or budgeted sales minus break-even sales. (g) Direct labour plus manufacturing overhead. (h) The benefit forgone by choosing one alternative over another.
How to answer
Match the easiest ones first (prime and conversion cost, sunk and opportunity cost), then use elimination for the rest.
Answer
Prime cost (b). Conversion cost (g). Contribution margin (a). Margin of safety (f). Segment margin (e). Degree of operating leverage (c). Sunk cost (d). Opportunity cost (h).
Q2Very likely
(Direction of change) For each change, holding everything else constant, state whether the break-even point, the margin of safety and the degree of operating leverage INCREASE (I), DECREASE (D) or are UNCHANGED (U). (a) The selling price rises. (b) Fixed expenses rise. (c) Variable cost per unit rises. (d) Sales volume rises (price, costs unchanged). (e) Variable labour is replaced with fixed equipment so that income at the current volume is unchanged.
How to answer
Reason with break-even = fixed expenses / unit CM, margin of safety = sales minus break-even (or net income / unit CM), and DOL = CM / net operating income. When income rises, DOL falls; when income falls toward break-even, DOL rises.
Answer
(a) Break-even D, margin of safety I, DOL D. (b) Break-even I, margin of safety D, DOL I. (c) Break-even I, margin of safety D, DOL I. (d) Break-even U, margin of safety I, DOL D. (e) Break-even I, margin of safety D, DOL I (a higher fixed-cost structure makes income more sensitive to sales).
Q3Very likely
(Fill in the blank) At the break-even point, total contribution margin equals ______ and net operating income equals ______.
How to answer
Contribution margin covers fixed expenses first, and what is left is profit.
Answer
Total fixed expenses; zero.
Q4Very likely
(Numerical input) The CM ratio is 25% and fixed expenses are $60,000. What are the break-even sales in dollars?
How to answer
Break-even sales = fixed expenses / CM ratio.
Answer
60,000 / 0.25 = $240,000.
Q5Very likely
(Matching) Match each decision to its decision rule. Decisions: drop a segment, make or buy, accept a special order, product mix under one constraint. Rules: (a) Compare the CM lost with the avoidable fixed costs saved. (b) Compare the relevant (avoidable) cost to make with the purchase price. (c) Compare the incremental revenue with the incremental cost, including any opportunity cost of displaced sales. (d) Rank products by CM per unit of the scarce resource.
How to answer
Each decision has one core comparison.
Answer
Drop a segment (a). Make or buy (b). Special order (c). Product mix under one constraint (d).
Q6Very likely
(Multi-select) A firm has idle capacity and is evaluating a one-time special order. Which of these are irrelevant? (a) Fixed manufacturing overhead that will not change. (b) Direct materials for the extra units. (c) Allocated corporate administration. (d) Direct labour that must be paid for the extra units. (e) Variable selling costs that WILL be incurred on the order.
How to answer
Irrelevant costs are those that do not change with the decision.
Answer
(a) and (c). (b), (d) and (e) are incremental costs.
Q7Very likely
(Multiple choice) Which statement about sunk costs is true? (A) They are relevant if they are large. (B) They cannot be changed by any current or future decision and should be ignored. (C) They always equal book value. (D) They are the same as opportunity costs.
How to answer
Sunk = already spent. The original cost and the book value of an asset are sunk even though the asset's future use or sale is not.
Answer
(B).
Q8Likely
(Multiple choice) Which of these is NOT included in manufacturing overhead? (A) Factory utilities. (B) Depreciation on factory equipment. (C) Indirect materials. (D) Sales commissions.
How to answer
Manufacturing overhead includes every factory cost other than direct materials and direct labour.
Answer
(D), a selling (period) cost.
Q9Likely
(Multiple choice) A hospital and a cement-mixing plant: which uses job-order costing and which uses process costing? (A) Hospital: job-order; cement: process. (B) Both job-order. (C) Hospital: process; cement: job-order. (D) Both process.
How to answer
Unique services to individual patients are job-order; homogeneous mass production is process.
Answer
(A).
Q10Likely
(Fill in the blank) Overhead is applied to jobs using a rate that is calculated ______ the period begins from ______ overhead and the ______ allocation base.
How to answer
The predetermined rate uses estimates, not actuals.
Answer
Before; estimated; estimated.
Q11Very likely
(True or false) "Overhead applied to jobs is calculated from actual overhead costs incurred." Explain.
How to answer
Separate the two numbers: applied overhead (rate x actual base) and actual overhead. Their difference is the over or underapplied balance.
Answer
False. Applied overhead = predetermined rate (from estimates) x actual activity. Actual overhead is accumulated separately and the difference is over or underapplied overhead.
Q12Likely
(Multiple choice) A higher degree of operating leverage means (A) lower risk, (B) net operating income is more sensitive to changes in sales, both up and down, (C) lower fixed costs, (D) a larger margin of safety.
How to answer
High fixed cost, small cushion above break-even.
Answer
(B).
Q13Likely
(Multi-select) Which of the following would you expect to be variable with respect to units produced in a manufacturer? (a) Direct materials. (b) Straight-line depreciation of the factory. (c) Sales commissions. (d) Plant manager's salary. (e) Indirect materials such as lubricants.
How to answer
Does the total change in proportion to activity?
Answer
(a), (c) and (e). (Commissions vary with units sold.)
Q14Likely
(Multiple choice) Gross margin and contribution margin differ because (A) they use different sales figures, (B) gross margin classifies costs by function (cost of goods sold versus other) while contribution margin classifies them by behaviour (variable versus fixed), (C) contribution margin includes fixed costs, (D) gross margin is always smaller.
How to answer
Same sales, different grouping of costs.
Answer
(B). Net operating income is the same in both formats.
Q15Likely
(Multiple choice) Underapplied overhead means (A) overhead applied exceeds actual overhead, (B) actual overhead exceeds overhead applied, leaving a debit balance in the overhead account, (C) the predetermined rate is too high, (D) the balance should be added to inventory.
How to answer
Underapplied = actual minus applied is positive.
Answer
(B). Under the course rule it is closed to cost of goods sold.
Q16Likely
(Multiple choice) If a firm shifts toward selling more of its low-CM-ratio product while total sales stay the same, (A) break-even falls, (B) profit rises, (C) the weighted-average CM ratio falls, break-even rises and profit falls, (D) nothing changes.
How to answer
Think about the weights in the weighted-average CM ratio.
Answer
(C).
Q17Likely
(Multiple choice) In process costing, a department's key report is the (A) job cost sheet, (B) department production report, (C) materials requisition, (D) time ticket.
How to answer
Process costing accumulates by department.
Answer
(B).
Q18Possible
(Multi-select) Which are management accounting roles in the planning and control cycle? (a) Preparing budgets. (b) Producing performance reports comparing actual to plan. (c) Giving data for decision making. (d) Filing the corporation's tax return. (e) Auditing the financial statements for shareholders.
How to answer
Managerial accounting serves internal planning, control and decision making.
Answer
(a), (b) and (c).
Q19Possible
(Matching) Match each cost behaviour to its description. Terms: variable, fixed, mixed, step-variable. Descriptions: (a) Constant in total, falls per unit as volume rises. (b) Rises in proportion to activity, constant per unit. (c) Changes in steps with wide changes in activity, as with maintenance workers. (d) Has a fixed monthly part and a usage part.
(Multiple choice) Which type of analysis would you use first when you suspect a mixed cost's relationship to activity may not be linear or has an outlier? (A) The high-low method. (B) A scattergraph. (C) A contribution income statement. (D) A budget.
How to answer
Plot before you calculate.
Answer
(B).
Part 12: Full mock midterm (2 hours, 100 marks)
Sit this under exam conditions: closed book, a non-programmable calculator, scrap paper, a 2-hour timer, and nothing else open. The mock mirrors the exam's stated blend: about 65% of the marks are quantitative (numerical input) and about 35% are conceptual (multiple choice, matching, multi-select, fill-in). All the numbers are new, so you cannot rely on memory of earlier parts. Suggested timing: Section A about 30 minutes, Section B about 85 minutes, 5 minutes to review. Check your answers against Part 13 only when the timer ends.
Section A: Concepts (35 marks)
Q1 (2 marks). Which of these is a period cost for a manufacturer? (A) Direct labour. (B) Factory depreciation. (C) Sales staff salaries. (D) Indirect materials.
Q2 (2 marks). Within the relevant range, as production volume increases, fixed cost per unit (A) increases, (B) decreases, (C) stays constant, (D) fluctuates randomly.
Q3 (2 marks). A company's contribution margin ratio is 35%. Sales rise by $40,000 and fixed expenses do not change. Net operating income increases by (A) $14,000, (B) $26,000, (C) $40,000, (D) $5,600.
Q4 (2 marks). The margin of safety is (A) fixed expenses divided by the CM ratio, (B) the amount by which sales exceed break-even sales, (C) contribution margin minus fixed expenses, (D) the point at which profit is zero.
Q5 (2 marks). In deciding whether to drop a product line, which of these is relevant? (A) Depreciation on equipment that has no resale value. (B) Corporate administration allocated to the line that will be reallocated to other lines. (C) The line manager's salary, which would be eliminated. (D) The historical cost of the equipment.
Q6 (2 marks). A student gives up a summer job paying $8,000 to attend a $3,000 course. The $8,000 is (A) a sunk cost, (B) an opportunity cost, (C) a differential cost of the job, (D) a fixed cost.
Q7 (2 marks). A predetermined overhead rate is calculated (A) after the period ends from actual overhead, (B) before the period begins from estimated overhead and the estimated allocation base, (C) from last year's total overhead only, (D) from the number of jobs.
Q8 (2 marks). Under the course's rule, underapplied overhead is normally (A) allocated among WIP, finished goods and cost of goods sold, (B) closed to cost of goods sold, (C) added to inventory, (D) ignored.
Q9 (2 marks). Under the weighted-average method, equivalent units of production equal (A) units started, (B) units completed and transferred out plus equivalent units in ending work in process, (C) units transferred out plus equivalent units in beginning work in process, (D) units in beginning work in process only.
Q10 (2 marks). When one machine limits production, the product that should be emphasized is the one with the highest (A) selling price, (B) CM per unit, (C) CM ratio, (D) CM per unit of the constrained resource.
Q11 (5 marks, matching). A furniture maker has these costs. Match each to DM (direct materials), DL (direct labour), MOH (manufacturing overhead), S (selling) or A (administrative). (1) Lumber in tables. (2) Wages of assembly workers. (3) Factory insurance. (4) Television advertising. (5) The CEO's salary.
Q12 (3 marks, select all that apply). Which are assumptions of CVP analysis? (a) The selling price is constant. (b) Costs are linear within the relevant range. (c) The sales mix is constant. (d) Inventories increase each year. (e) Variable cost per unit rises with volume.
Q13 (3 marks, select all that apply). Which describe process costing? (a) Costs are accumulated by department. (b) The department production report is the key document. (c) A job cost sheet is kept for each order. (d) The product is homogeneous and produced continuously. (e) Each unit is made to a customer's specification.
Q14 (2 marks, fill in). In the high-low method, variable cost per unit = change in ______ divided by change in ______.
Q15 (2 marks, fill in). Segment margin = segment contribution margin minus ______ fixed expenses, and the best gauge of a segment's long-run profitability is its ______ margin.
Section B: Calculations (65 marks)
Enter each answer as a number. Show your work on the scrap paper. Round dollar answers to the nearest dollar unless told otherwise.
P1 (4 marks): Cost of goods manufactured. Direct materials used $84,000; direct labour $62,000; manufacturing overhead applied $96,000; beginning work in process $18,000; ending work in process $22,000; beginning finished goods $35,000; ending finished goods $27,000. (a) Cost of goods manufactured (2). (b) Cost of goods sold (2).
P2 (6 marks): High-low. A maintenance department's costs by month: January 1,200 hours, $31,400; February 900 hours, $27,000; March 1,800 hours, $41,400; April 1,500 hours, $36,300; May 1,000 hours, $28,900. (a) Variable cost per hour (2). (b) Fixed cost per month (2). (c) Estimated cost for 1,300 hours (2).
P3 (10 marks): CVP. Meridian Mugs sells a mug for $25; variable cost is $15 per mug; fixed expenses are $120,000 a year; it sold 16,000 mugs. (a) Break-even units (2). (b) Break-even sales dollars (2). (c) Units needed for a before-tax profit of $60,000 (2). (d) Margin of safety as a percentage of sales (2). (e) Degree of operating leverage (2).
P4 (8 marks): Multiple products. Basic mugs: sales $300,000, CM ratio 30%. Premium mugs: sales $200,000, CM ratio 60%. Fixed expenses are $135,000. (a) Overall CM ratio, as a percentage (2). (b) Break-even sales dollars (2). (c) Break-even sales dollars of Basic mugs, assuming the same mix (2). (d) Break-even sales dollars if the mix shifts to 40% Basic and 60% Premium (2).
P5 (6 marks): Segments. North store: sales $500,000, variable expenses $300,000, traceable fixed expenses $120,000. South store: sales $350,000, variable expenses $245,000, traceable fixed expenses $60,000. Common fixed expenses are $55,000. (a) North's segment margin (2). (b) South's segment margin (2). (c) Company net operating income (2).
P6 (7 marks): Make or buy. A firm makes 10,000 units of a part. Per unit: direct materials $7, direct labour $3, variable overhead $2. Fixed: supervision $30,000 (avoidable if the part is bought), depreciation on special equipment $20,000 (no resale value), allocated factory overhead $50,000 (unchanged either way). A supplier offers the part at $13. (a) Relevant cost of making all 10,000 (2). (b) Advantage of buying, ignoring any alternative use of capacity (2). (c) Total advantage of buying if the freed capacity would earn $25,000 elsewhere (3).
P7 (8 marks): Constraint and special order. (A) A machine has 2,400 minutes available. Product 1: CM $26, 4 minutes per unit, demand 400. Product 2: CM $14, 2 minutes per unit, demand 700. (a) CM per minute of Product 1 (1). (b) CM per minute of Product 2 (1). (c) Maximum total CM (2). (B) A firm with idle capacity sells at $40 with variable cost of $24 per unit, including $3 of selling cost. A one-time order for 2,000 units at $30 would not incur the selling cost, and fixed costs would not change. (d) Incremental cost per unit (2). (e) Change in net operating income (2).
P8 (6 marks): Job costing. Estimated overhead $540,000 and estimated direct labour hours 36,000. Job 18 uses direct materials of $3,100 and 40 direct labour hours at $20 per hour. Actual hours were 37,200 and actual overhead $551,000. (a) Predetermined rate per hour (2). (b) Total cost of Job 18 (2). (c) Amount of overapplied overhead (2).
P9 (10 marks): Process costing (weighted average). Beginning WIP 800 units (75% complete for materials, 50% for conversion) with materials cost $9,360 and conversion cost $4,460. Started 7,200 units; transferred out 7,100; ending WIP 900 units (80% complete for materials, 40% for conversion). Costs added: materials $61,020; conversion $40,300. (a) Equivalent units of materials (2). (b) Equivalent units of conversion (2). (c) Cost per equivalent unit of conversion (2). (d) Cost of units transferred out (2). (e) Cost of ending work in process (2).
Stop the timer. Now score yourself with Part 13.
Part 13: Mock midterm answer key and marking guide
Answer key Open it only after you have finished the mock under timed conditions
Mark yourself honestly. For each numerical problem, award marks per part only if the final number is right; if you made a small arithmetic slip but your method was right, note it as a calculation slip and still practise the method.
Section A (35 marks)
Q
Answer
Why
1
C
Sales staff salaries are a selling (period) cost. Direct labour, factory depreciation and indirect materials are product costs.
2
B
Fixed cost per unit falls as volume rises within the relevant range.
3
A
Change in CM = 35% x $40,000 = $14,000; fixed expenses unchanged.
4
B
Margin of safety = sales minus break-even sales.
5
C
The line manager's salary is avoidable. Sunk depreciation, reallocated administration and historical cost are not relevant.
6
B
The $8,000 forgone job pay is the opportunity cost of taking the course.
7
B
The predetermined rate is set before the period from estimates.
8
B
Underapplied overhead is closed to cost of goods sold (overapplied is allocated among WIP, finished goods and COGS).
9
B
Weighted average: units transferred out plus equivalent units in ending WIP.
10
D
Rank by CM per unit of the constrained resource.
11
(1) DM, (2) DL, (3) MOH, (4) S, (5) A
Lumber is traceable material; assembly wages are traceable labour; insurance on the factory is overhead; advertising is selling; the CEO's salary is administrative. 1 mark each.
12
(a), (b), (c)
The assumptions are constant price, linear costs, constant mix and no change in inventories. 1 mark for each correct choice, with no marks for a wrong extra choice.
13
(a), (b), (d)
A job cost sheet and made-to-order units belong to job-order costing. 1 mark each.
14
cost; activity
Rise over run on the highest and lowest activity levels. 1 mark each.
15
traceable; segment
Segment margin is CM minus traceable fixed expenses and gauges long-run profitability. 1 mark each.
Section B (65 marks)
P1 (4). Total manufacturing cost = 84,000 + 62,000 + 96,000 = 242,000. (a) Cost of goods manufactured = 18,000 + 242,000 - 22,000 = $238,000. (b) Cost of goods sold = 35,000 + 238,000 - 27,000 = $246,000.
P2 (6). The highest activity is March (1,800 h, $41,400) and the lowest is February (900 h, $27,000). (a) Variable cost = (41,400 - 27,000) / (1,800 - 900) = 14,400 / 900 = $16 per hour. (b) Fixed cost = 41,400 - 16 x 1,800 = 41,400 - 28,800 = $12,600. (c) At 1,300 hours: 12,600 + 16 x 1,300 = 12,600 + 20,800 = $33,400.
P3 (10). Unit CM = 25 - 15 = $10; CM ratio = 40%. (a) Break-even units = 120,000 / 10 = 12,000. (b) Break-even sales = 120,000 / 0.40 = $300,000 (= 12,000 x 25). (c) Units for a $60,000 profit = (120,000 + 60,000) / 10 = 18,000. (d) Margin of safety = (16,000 - 12,000) / 16,000 = 25%. (e) Net operating income = 16,000 x 10 - 120,000 = $40,000; DOL = 160,000 / 40,000 = 4.
P4 (8). Product CMs: Basic 300,000 x 30% = 90,000; Premium 200,000 x 60% = 120,000; total CM 210,000. (a) Overall CM ratio = 210,000 / 500,000 = 42%. (b) Break-even sales = 135,000 / 0.42 = $321,429. (c) Basic is 60% of sales: 0.60 x 321,429 = $192,857. (d) New ratio = 0.40 x 30% + 0.60 x 60% = 48%; break-even = 135,000 / 0.48 = $281,250.
P6 (7). (a) Relevant cost of making = 10,000 x (7 + 3 + 2) + 30,000 = 120,000 + 30,000 = $150,000 (depreciation is sunk and allocated overhead is unchanged). (b) Buying costs 10,000 x 13 = 130,000, so buying is better by $20,000. (c) Add the $25,000 earned from the freed capacity: 20,000 + 25,000 = $45,000.
P7 (8). (a) 26 / 4 = $6.50 per minute. (b) 14 / 2 = $7.00 per minute. Product 2 is emphasized. (c) Product 2: 700 x 2 = 1,400 minutes; remaining 1,000 minutes make 1,000 / 4 = 250 of Product 1. Total CM = 700 x 14 + 250 x 26 = 9,800 + 6,500 = $16,300. (d) Incremental cost = 24 - 3 = $21. (e) Change in income = 2,000 x (30 - 21) = +$18,000.
P8 (6). (a) 540,000 / 36,000 = $15 per hour. (b) Direct materials 3,100 + direct labour 40 x 20 = 800 + overhead 40 x 15 = 600 = $4,500. (c) Applied = 37,200 x 15 = 558,000; actual = 551,000; applied exceeds actual by $7,000 overapplied.
Keep sharp with the rapid-fire list and redo any questions you missed
80 to 89
Strong
Fix the parts where you lost marks, then redo them from Parts 2 to 11
65 to 79
Solid base, gaps remain
Redo every Very likely question in the weak parts, then sit a second timed attempt using only those parts
Below 65
Not yet
Work through Parts 4, 5, 8, 9 and 10 again in order (CVP, multi-product, relevant costs, job and process costing carry the most marks), then retake
Diagnosing your losses
If you lost marks on
Go back to
Q1, Q11 or P1
Part 2 (cost terms and cost of goods manufactured)
Q2, Q14 or P2
Part 3 (cost behaviour and high-low)
Q3, Q4, Q12 or P3
Part 4 (single-product CVP)
P4
Part 5 (multi-product CVP)
Q15 or P5
Part 6 (segmented statements)
Q5, Q6 or P6
Part 7 (relevant costs, drop, make or buy)
Q10 or P7
Part 8 (special orders and constraints)
Q7, Q8 or P8
Part 9 (job-order costing)
Q9, Q13 or P9
Part 10 (process costing)
Part 14: Rapid-fire review, 25 questions for the last night
Cover the right-hand column, answer out loud, then check. If you miss one, go back to the part named in brackets.
#
Question
Answer
1
Define prime cost and conversion cost. (Part 2)
Prime cost = direct materials + direct labour. Conversion cost = direct labour + manufacturing overhead.
2
Write the cost of goods sold formula for a manufacturer. (Part 2)
Beginning finished goods + cost of goods manufactured - ending finished goods. Cost of goods manufactured = beginning WIP + total manufacturing cost - ending WIP.
3
Which costs are product costs and which are period costs? (Part 2)
Product: direct materials, direct labour, manufacturing overhead (held in inventory until sold). Period: selling and administrative (expensed when incurred).
4
Give the 2 x 2 rule for cost behaviour. (Part 2)
Variable: total changes, per unit constant. Fixed: total constant, per unit falls as volume rises.
5
Which two months do you pick in the high-low method? (Part 3)
The highest and lowest ACTIVITY levels, not the highest and lowest cost.
What is the difference between contribution margin and gross margin? (Part 3)
CM = sales minus ALL variable expenses (contribution format, by behaviour). Gross margin = sales minus cost of goods sold (functional format). They differ; net operating income is the same.
8
State the CM ratio and the variable expense ratio relationship. (Part 4)
CM ratio = CM / sales = unit CM / price = 1 - variable expense ratio.
9
Give the break-even formulas. (Part 4)
Units = fixed expenses / unit CM. Dollars = fixed expenses / CM ratio.
10
Give the target profit formulas, including after tax. (Part 4)
Units = (fixed + target profit) / unit CM. After tax: target profit before tax = after-tax profit / (1 - tax rate). Round units up.
11
Define margin of safety. (Part 4)
Sales minus break-even sales (dollars, units or as a percentage of sales). Percentage equals 1 / DOL.
12
Give the DOL formula and its use. (Part 4)
DOL = CM / net operating income. Percentage change in income = DOL x percentage change in sales. Highest near break-even.
13
How do you do a CVP "what if" quickly? (Part 4)
Change on existing units (price or variable cost change x old units) + new units x NEW unit CM +/- change in fixed costs.
14
How is multi-product break-even calculated, and what hurts it? (Part 5)
Fixed expenses / weighted-average CM ratio (weights are the sales mix). A shift toward lower-CM-ratio products lowers profit and raises break-even.
15
Define segment margin and common cost. (Part 6)
Segment margin = segment CM - traceable fixed expenses. Common costs serve the whole company, are not allocated and do not disappear if a segment is dropped.
16
When is a cost relevant? (Part 7)
When it is a future cost or benefit that differs between alternatives. Sunk costs and unchanged future costs are never relevant.
17
State the rule for dropping a segment. (Part 7)
Drop only if the avoidable fixed costs saved exceed the contribution margin lost, plus any benefit of the freed capacity.
18
State the rule for make or buy. (Part 7)
Compare the relevant cost to make (variable costs + avoidable fixed costs + opportunity cost of capacity) with the price to buy. Ignore sunk and unchanged allocated costs.
19
State the rule for a special order. (Part 8)
Accept if incremental revenue exceeds incremental cost (variable costs actually incurred, extra fixed costs, and lost CM if capacity forces out regular sales). Minimum price = incremental cost per unit.
20
How do you choose a product mix with one constraint? (Part 8)
Rank by CM per unit of the constraint, fill demand in that order, give the remaining time or material to the next product. Value of extra capacity = CM per unit of the next use.
21
How do you calculate the predetermined overhead rate and applied overhead? (Part 9)
Rate = estimated overhead / estimated allocation base, set before the period. Applied = rate x ACTUAL base used.
22
How do you find and dispose of under or overapplied overhead? (Part 9)
Actual overhead - applied overhead (positive = underapplied). Underapplied: close to COGS. Overapplied: allocate among WIP, finished goods and COGS in proportion to the overhead applied in their ending balances.
23
Contrast job-order and process costing. (Parts 9 and 10)
Job-order: many different made-to-order jobs, job cost sheet. Process: homogeneous continuous output, costs by department, production report.
24
Give the weighted-average equivalent units and cost per equivalent unit. (Part 10)
Equivalent units = units transferred out + ending WIP units x % complete (materials and conversion separately; beginning WIP % ignored). Cost per EU = (beginning WIP cost + cost added) / equivalent units.
25
What does the cost reconciliation prove? (Part 10)
Costs to account for (beginning WIP + added) = costs accounted for (transferred out + ending WIP).
The last 24 hours
Read the course's exam logistics once more: Sunday, November 8, 8:30 to 10:30 AM, in person; start within the first 30 minutes; bring your laptop, charger, student ID and a non-programmable calculator; have Respondus LockDown Browser installed and tested; leave your scrap paper in the room; show proof of submission before you leave. Then do one short pass of this table, sleep, and use the first five minutes of the exam to scan every question and note which are worth the most marks.
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