When the Price of an Input Is Constant

Multiple Choice

When the price of an input is constant:

A) the marginal cost of the input is equal to its price.
B) the marginal cost of the input is increasing.
C) the marginal cost of the input is variable.
D) the marginal cost of the input is decreasing.
E) the marginal cost of the input decreases over the initial range of output and then becomes and remains constant.