Which statement is TRUE?

Group of answer choices

A. A publisher that sells its books through agents who are paid a CONSTANT PERCENTAGE commission on each book sold would classify the commissions as a fixed cost.

B. The income statement of a manufacturing firm reports inventoriable costs only.

C. Direct material costs are the acquisition costs of all materials that eventually become part of the cost object and cannot be traced to the cost object in an economically feasible way.

D. Direct labor cost is a part of prime cost and conversion cost.