Suppose a Firm with the Usual U- Shaped Cost Curves

Suppose a firm with the usual U- shaped cost curves is producing a level of output such that its short run costs are as follows: ATC = $0.37 per unit AVC = $0.32 per unit AFC = $0.05 per unit MC = $0.43 per unit
Given these short run costs,which of the following statements is true?

A) The firm is producing a level of output where capacity is increasing.
B) The firm is operating with excess capacity.
C) The firm is operating at capacity.
D) The firm is operating above capacity.
E) The firm has no capacity constraints.