Respond to each requirement independently.

a. Describe two decision-making contexts, one in which unit-level materials costs are avoidable, and the other in which they are unavoidable.

b. Describe two decision-making contexts, one in which batch-level setup costs are avoidable, and the other in which they are unavoidable.

c. Describe two decision-making contexts, one in which advertising costs are avoidable, and the other in which they are unavoidable.

d. Describe two decision- making contexts, one in which rent paid for a building is avoidable and the other in which it is unavoidable.

e. Describe two decision-making contexts, one in which depreciation on manufacturing equipment is avoidable, and the other in which it is unavoidable.