Date TEST 2 4.56 Ver: 2 21. A cost that has characteristics of both a variable cost and a fixed cost is called a a. mixed cost b. variable/fixed cost c. sunk cost 22. Which of the following costs is a mixed cost? a. straight-line depreciation on factory equipment b. electricity costs of $3 per kilowatt-hour c. salary of a factory supervisor d. rental costs of $10,000 per month plus $0.30 per machine hour of use 23. For purposes of analysis, mixed costs are a. classified as fixed costs b. separated into their variable and fixed cost components c. classified as period costs d. classified as variable costs 24. Contribution margin is a. another term for volume in the "cost-volume-profit" analysis b. the excess of sales revenue over variable cost c. the same as sales revenue d. profit 25. If sales are S820.000, variable costs are 55% of sales, and operating income is S260 000, what is the contribu margin ratio? a, 45% b. 32% . 62% d. 55% 26. Piper Technology's fixed costs are S1,500,000, the unit selling price is $250, and the unit variable costs are S what is the amount of sales required to realize an operating income of $200,000? a. 12,500 units b. 11,538 units c. 14,167 units d. 16,000 units