Refer to the Following Figure When Answering the Following Questions

Multiple Choice

Refer to the following figure when answering the following questions.
Figure 4.1: Production Function
-Consider Figure 4.1. The shape of this production function suggests:

A) not enough information is given.
B) a diminishing marginal product of labor.
C) a constant marginal product of capital.
D) an increasing marginal product of capital.
E) a diminishing marginal product of capital.