The Figure Given Below Shows the Cost and Revenue Curves

Multiple Choice

The figure given below shows the cost and revenue curves of a monopolist.Figure 11.9
D: Average revenue
MR: Marginal revenue
ATC: Average total cost
MC: Marginal cost
-The major similarity between a monopolist and a monopolistically competitive firm is that:

A) both are price takers.
B) both face a horizontal demand curve.
C) both are the sole producers of a particular good.
D) both face a negatively sloped demand curve.
E) both are affected by the decision of their rivals.