In cost-volume-profit analysis, all costs are classified into which of the following two categories? . a. discretionary costs and sunk costs Ob. mixed costs and variable costs Oc. variable costs and fixed costs Od. sunk costs and fixed costs Which of the following activity bases would be the most appropriate for food costs of a hospital? Oa. number of patients who stay in the hospital Ob. number of nurses scheduled to work Oc. how many MRIs are taken Od quantity of prescriptions filled If a business sells two products, it is not possible to estimate the break-even point. O True O False Which of the following types of cost is shown in the cost data below? Cost per Number of Units Unit $6,000 1 1 3,000 2 2,000 3 1,500 4 Oa. fixed cost b. variable cost Oc. mixed cost Od. period cost If sales are $823,000, variable costs are 61% of sales, and operating income is $207,000, what is the contribution margin ratio? Oa. 61% Ob. 39% Oc. 43% Od 57%