Refer to the information provided in Figure 15.1 below to answer the question(s) that follow. Below are cost curves for Dom's Barber Shop, a monopolistically competitive firm. 
Figure 15.1 Refer to Figure 15.1. If Dom's Barber Shop is maximizing profit, its total revenue equals
A. $200.
B. $320.
C. $350.
D. $360.
Answer: B
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