-The Figure Above Shows Firm X

-The figure above shows Firm X. The ________ firm charges a markup of ________.

A) perfectly competitive; $10 per unit because price equals average total cost
B) perfectly competitive; $20 per unit because price exceeds average total cost
C) monopolistically competitive; $10 per unit because price exceeds marginal cost
D) monopolistically competitive; $20 per unit because prices exceeds average total cost
E) monopolistically competitive; $10 per unit because the demand curve lies above the marginal revenue curve