The Law of Diminishing Marginal Returns Says That as the Firm

Multiple Choice

The law of diminishing marginal returns says that as the firm uses more of ________, with a given quantity of ________, the ________ product of the variable input eventually diminishes.

A) a fixed input; variable inputs; marginal
B) all inputs; capital; average
C) a variable input; fixed inputs; average
D) a variable input; fixed inputs; marginal