The Above Figure Shows Some a Firm's Cost Curves and Its

The above figure shows some a firm's cost curves and its marginal revenue curve.
-Based on the figure above,if the firm produces 7 cans per day,the firm ________ maximizing its profit and is ________.

A) is; incurring an economic loss
B) is; making zero economic profit
C) is; making an economic profit
D) is not; incurring an economic loss
E) is not; making zero economic profit