owners have to pay a fixed amount of $6,000 for the films, ushers, etc., regardless of
how many people come to the movie. For simplicity, assume that if the theater is closed,
its costs are zero. The demand function for movies in the town is characterized by PT =
45
_QT
60
a. Draw the market demand curve, the marginal revenue curve, and the
marginal cost curve. Make sure to label the axes, curves, and intercepts.
b. Find the profit-maximizing price and quantity of movie tickets and indicate
them on your graph. How much would the theater make in profits?
c. Calculate the deadweight loss caused by the monopoly and indicate the area on
your graph.