Refer to the Information Provided in Figure 9

Multiple Choice

Refer to the information provided in Figure 9.4 below to answer the question that follows. Figure 9.4
-Refer to Figure 9.4. From the diagram, existing firms in this industry make ________ economic profits, and as long as this continues, ________.

A) negative; new firms will not enter it and existing firms will leave it.
B) zero; new firms will not enter it and existing firms will not leave it either.
C) positive; new firms will enter the industry and existing firms will not leave it.
D) positive; the industry supply curve will shift to the left.