1. 1. Which of the following comprise prime costs? A. Manufacturing overhead B. Direct materials and direct labor C. Direct labor D. Direct labor and manufacturing overhead

2. 2. Which of the following best describes a differential cost? A. A change in cost which results from selecting one alternative instead of another B. The benefit forgone by selecting one alternative instead of another C. A cost which does not involve any cash expenditure but which is relevant to the decision-making process D. A cost which continues to be incurred even though there is no activity