In the Same Football Conference as the University in Problem

In the same football conference as the university in Problem 9 is another university where the demand for football tickets at each game is 160,000 - 12,000p. If the capacity of the stadium at that university is 90,000 seats, what is the revenue-maximizing price for this university to charge per ticket?

A) $6.67
B) $13.33
C) $5.83
D) $3.33
E) $20