Break-even analysis
- Contribution margin
- CM = p − v
- Break-even quantity
- QBE = FC/(p − v)
- Target profit
- Q = (FC + profit)/(p − v)
- Profit
- π = (p − v)·Q − FC
- Margin of safety
- (Q − QBE)/Q
Formula sheets, the key method steps for every topic and 4 practice problems, with full solutions at the back.
A company sells 630 units at €38 each. The variable cost is €30 per unit and fixed costs are €4 000. Find the degree of operating leverage DOL at this sales level.
A product sells for €28 per unit, with a variable cost of €20 per unit and fixed costs of €9 600 per year. Budgeted sales are 1 500 units. Find the margin of safety MS as a percentage of budgeted sales.
Trade receivables are €50,000 and annual credit sales are €365,000. What are the receivable days?
A company's debt-to-equity ratio rises sharply. What does this usually indicate?
Answer: DOL = 4.846
Operating leverage: fixed costs make profit react more strongly than sales. The degree of operating leverage DOL = contribution margin/operating profit tells you that a 1% change in sales changes profit by DOL %. It is very high just above break-even and falls as sales grow.
Answer: MS = 20 %
Cost-volume-profit: each unit sold earns a contribution margin, price minus variable cost per unit. Profit = Q·(p − v) − F, where F is the fixed cost. At the break-even point profit is zero, so Q = F/(p − v).
Answer: B · 50 days
€50,000 ÷ €365,000 × 365 = 50 days. This is the average time customers take to pay.
Answer: B · Higher financial risk because the company relies more on borrowed money
A higher ratio means more leverage: interest and repayments must be met whatever the results, so financial risk rises, although returns to shareholders may also rise.
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