Use the Following to Answer Questions Below

Multiple Choice

Use the following to answer questions below:

-Refer to the isoquant maps graph. Assume that the four isoquants in each graph represent output levels of 100, 200, 300, and 400. Which of the four graphs shows an isoquant map in which returns to scale are first decreasing and then increasing?

A) Graph D
B) Graph C
C) Graph B
D) None of the above is correct.