In the Short Run, If the Marginal Product of Labor

Multiple Choice

In the short run, if the marginal product of labor is decreasing, then:

A) marginal cost must be increasing.
B) the marginal revenue of the firm must be decreasing.
C) average total cost must be increasing.
D) average variable cost must be decreasing.
E) average total cost must be decreasing. the marginal revenue product of labor must be increasing.