The Key West Parrot Shop has a monopoly on the sale of parrot souvenir caps in Key West.

The inverse demand curve for caps is P = 30 - 0.4Q, where P is the price of a cap and Q is the number of caps sold per hour.

Thus, the MR = ____________

The Parrot Shop is the only employer in town and faces an hourly supply of labor given by

w = 0.9E + 5, where w is the hourly wage rate and E is the number of workers hired each hour.

Therefore, the MCE = ____________