The cost of purchase of plant and equipment is an example of a(n): a. unavoidable variable cost. O b. committed fixed cost. c. discretionary variable cost. d. discretionary fixed cost. The purpose of creating a cost formula is to provide: Oa. a quantitative estimate of only the total fixed costs of the cost drivers. Ob. a qualitative estimate of only the variable cost per unit of the cost drivers. Oc. a quantitative estimate of both total fixed costs and the variable cost per unit of the cost drivers. d. a qualitative estimate of both total fixed costs and the variable cost per unit of the cost drivers Which of the following costs is classified as a period cost under absorption costing? a. Administrative expenses O b. Fixed manufacturing overhead Oc. The cost of direct labor d. The cost of direct materials