Use the Figure Below to Answer the Following Questions

Use the figure below to answer the following questions.

Figure 14.2.2
-Refer to Figure 14.2.2. To maximize economic profit, this firm in monopolistic competition produces an output

A) of 40 units.
B) of 70 units.
C) of 60 units.
D) of less than 40 units.
E) that cannot be determined without information concerning rival firms.