Use the graph below to answer the following questions:
a. Calculate the firm's profit if it is a single-price monopoly:
b. Calculate the firm's profit if it is a perfect price discrimination monopolist:
c. Calculate the firm's profit if it price discriminates as follows: Sell the first 200 units at a high price and the rest of the units at a low price: (hint, what is the maximum number of units they are willing to sell? Price is determined from the demand curve). Profit = 90
d. Calculate the firm's profit if it price discriminates as follows: Sell the first 100 units at a high price, the next 100 units at a medium price, and the rest of the units at a low price: (hint, what is the maximum number of units they are willing to sell? Price is determined from the demand curve)