-The Figure Above Shows the Demand,marginal Revenue,and Marginal Cost Curves

Multiple Choice

-The figure above shows the demand,marginal revenue,and marginal cost curves for Paul's Parrot pillows,a monopoly producer of pillows stuffed with parrot feathers.When the pillow market is a monopoly,the price of a pillow is ________,and if the pillow market is perfectly competitive,the price of a pillow is ________.

A) $40; $20
B) $70; $60
C) $40; $60
D) $60; $40
E) $100; $40