Refer to the Information Provided in Figure 7

Multiple Choice

Refer to the information provided in Figure 7.6 below to answer the question(s) that follow. Figure 7.6
-Refer to Figure 7.6. The shoe manufacturer currently produces 50 units of output. If this shoe manufacturer increases labor from 15 to 20, the marginal product of the 20th worker

A) is zero, as the total number of shoes produced remains at 50.
B) is 8.5, as capital can be reduced by 8.5 units when the 20th worker is hired.
C) cannot be determined because output remains constant.
D) cannot be determined because both capital and labor have been increased.