The Figure Below Shows the Revenue and Cost Curves of a Monopolistically

Multiple Choice

The figure below shows the revenue and cost curves of a monopolistically competitive firm.Figure: 12.2
In the figure,
D: Demand curve
MR: Marginal revenue curve
ATC₁ and ATC₂: Average total cost curves
MC: Marginal cost curve
-In the long-run, in a monopolistically competitive market:

A) marginal revenue is greater than average revenue.
B) price equals marginal cost.
C) price equals minimum average total cost.
D) the firms earn positive economic profits.
E) resources are inefficiently allocated .