Tickets for the homecoming game are being sold for $12 for alumni and $7 for students. The stadium holds a maximum of 5000 people. Write an inequality to show how much money the school earns from ticket sales if the game is sold out.
A. 12x + 7y ≤ 60,000
B. 12x + 7y ≥ 60,000
C. 12x + 7y < 60,000
D. 12x + 7y > 60,000