Accounting Costs Are Often Unsatisfactory from the Economist's Point of View

Accounting costs are often unsatisfactory from the economist's point of view because

A) they fail to allow for depreciation, the wearing out of capital assets during a period.
B) they often exclude the opportunity costs of the firm's equity capital.
C) accountants attempt to minimize costs in order to make profits look good.
D) accounting procedures are designed to overstate costs in order to minimize business tax liability.