Use the Figure to Answer the Following Question(s)

Use the figure to answer the following question(s) .
Figure 9-8
-At the market price of $3 in Figure 9-8, indicate the firm's total revenue and total cost at its profit-maximizing level of output.

A) total revenue, $45; total cost, $37 (approx.)
B) total revenue, $45; total cost, $45
C) total revenue, $60; total cost, $45
D) total revenue, $80; total cost, $65 (approx.)