Pie-Oh-My, a Monopolistically Competitive Firm, Is Baking 80 Gourmet Pies

Pie-Oh-My, a monopolistically competitive firm, is baking 80 gourmet pies per day and selling each pie for $25. At that production level ATC is $40, AVC is $30, AFC is $10, and both MR and MC are $16. This firm should

A) continue to produce 80 pies, as price is greater than AFC.
B) increase output to the point where price equals marginal cost.
C) decrease output to the point where marginal cost equals average cost.
D) produce zero pies and pay fixed costs.