Sun Life Stadium is an 80,000-seat football stadium in Miami, Florida, where the NFL's Miami Dolphins and the University of Miami's Hurricanes both play football. Say that the demand function for Dolphins football tickets is: DOLPHINS = 160,000 tickets - 1,000PDOLPHINS and the demand function for Hurricanes football tickets is: "HURRICANES = 60,000 tickets - 2,000PHURRICANES- P is the price of a ticket. The demand for Dolphins games is much higher than the demand for Hurricanes games, so the weekends when the Dolphins are playing are the peak periods and the weekends when the Hurricanes play are the off-peak periods. The marginal cost of an additional spectator is $0 up to 80,000, after which it becomes infinite. The profit-maximizing price for tickets to Miami Dolphins games is $ The profit-maximizing price for tickets to University of Miami Hurricanes games is $