Figure: Profit Maximization in Monopolistic Competition (Figure: Profit Maximization in Monopolistic

Figure: Profit Maximization in Monopolistic Competition (Figure: Profit Maximization in Monopolistic Competition) Look at the figure Profit Maximization in Monopolistic Competition.When the demand curve for a firm in monopolistic competition shifts, the marginal revenue curve:

A) must also shift.
B) shifts in the opposite direction.
C) will stay the same.
D) will shift, but the profit-maximizing quantity will not change.