Chapter 20: Q20-21RQ (page 1120)
What effect does an increase in sales price have on contribution margin? An increase in fixed costs? An increase in variable costs?
Answer
There is an inverse relationship between variable cost and contribution margin.
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Calculating breakeven point for two products, margin of safety, andoperating leverage
The contribution margin income statement of Delectable Donuts for May 2018follows:
DELECTABLE DONUTS Contribution Margin Income Statement Month Ended May 31, 2018 |
Net Sales Revenue | \(125,000 | |
Variable cost | ||
Cost of goods sold | \)32,100 | |
Selling cost | 17,400 | |
Administrative cost | 500 | \(50,000 |
Contribution Margin | \)75,000 | |
Fixed cost | ||
Selling cost | \(37,800 | |
Administrative cost | 12,600 | \)50,400 |
Operating income | \(24,600 |
Delectable sells five dozen plain donuts for every dozen custard-filled donuts. A dozenplain donuts sells for \)4.00, with a variable cost of \(1.60 per dozen. A dozen custardfilled donuts sells for \)8.00, with a variable cost of $3.20 per dozen.
Requirements
1. Calculate the weighted-average contribution margin.
2. Determine Delectable’s monthly breakeven point in dozens of plain donuts and custard-filled donuts. Prove your answer by preparing a summary contribution nmargin income statement at the breakeven level of sales. Show only two categories of costs: variable and fixed.
3. Compute Delectable’s margin of safety in dollars for May 2018.
4. Compute the degree of operating leverage for Delectable Donuts. Estimate thenew operating income if total sales increase by 20%. (Round the degree of operating leverage to four decimal places and the final answer to the nearest dollar.Assume the sales mix remains unchanged.)
5. Prove your answer to Requirement 4 by preparing a contribution marginincome statement with a 20% increase in total sales. (The sales mix remainsunchanged.)
Use the following information to complete Short Exercises S20-10 through S20-15.
Funday Park competes with Cool World by providing a variety of rides. Funday Park sells tickets at \(70 per person as a one-day entrance fee. Variable costs are \)42 per person, and fixed costs are \(170,800 per month.
Refer to the original information (ignoring the changes considered in Short Exercise S20-12). Suppose Funday Park increases fixed costs from \)170,800 per month to $231,000 per month. Compute the new breakeven point in tickets and in sales dollars.
What is contribution margin?
Identifying variable, fixed, and mixed costs
Philadelphia Acoustics builds innovative speakers for music and home theater systems. Identify each cost as variable (V), fixed (F), or mixed (M), relative to number of speakers produced and sold.
1. Units of production depreciation on routers used to cut wood enclosures.
2. Wood for speaker enclosures.
3. Patents on crossover relays.
4. Total compensation to salesperson who receives a salary plus a commission based on meeting sales goals.
5. Crossover relays.
6. Straight-line depreciation on manufacturing plant.
7. Grill cloth.
8. Insurance on the corporate office.
9. Glue.
10. Quality inspector’s salary.
Crandall Company sells flags with team logos. Crandall has fixed costs of \(583,200 per year plus variable costs of \)4.80 per flag. Each flag sells for \(12.00.
Requirements
1. Use the equation approach to compute the number of flags Crandall must sell each year to break even.
2. Use the contribution margin ratio approach to compute the dollar sales Crandall needs to earn \)33,000 in operating income for 2018. (Round the contribution margin ratio to two decimal places.)
3. Prepare Crandall’s contribution margin income statement for the year ended December 31, 2018, for sales of 70,000 flags. (Round your final answers up to the next whole number.)
4. The company is considering an expansion that will increase fixed costs by 21% and variable costs by $0.60 per flag. Compute the new breakeven point in units and in dollars. Should Crandall undertake the expansion? Give your reasoning. (Round your final answers up to the next whole number.)
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