Refer to the above graph.Consider a monopolist in short-run equilibrium.This monopolist has total fixed cost equal to area:

Question

Quizplus · Accepted Answer

In the short-run equilibrium of a monopolist, the firm produces where marginal revenue (MR) equals marginal cost (MC) and charges a price based on the demand curve. 
In the graph, the short-run equilibrium occurs at point Q where MR=MC. 
The monopolist incurs a total fixed cost of ADFC, which is the vertical distance between the total cost curve (TC) and total variable cost curve (TVC) at point Q. 
Therefore, the correct answer is C.

Refer to the Above Graph