Please help! Thank you!

For each of the following, select its best description. A. Incurs costs without directly yielding revenues. B. Provides information used to evaluate the performance of a department. C. Performs an organization's main functions, like manufacturing and selling. D. Unit managers make decisions and top management then evaluates the performance of unit managers. E. Costs that can be readily traced to a department. F. Costs not within a manager's control or influence