A Virginia County Is Considering Whether to Pay $50,000 Per

A Virginia county is considering whether to pay $50,000 per year to lease a prisoner transfer facility in a prime location near Washington, D.C. They estimate it will cost $50 per prisoner to process the paperwork at this new location. The county is paid a $75 commission for each new prisoner they process. What would be the county's annual profit if they were to process 4,000 prisoners per year at this new location?

A) $0
B) $75,000
C) $50,000
D) $100,000
E) $300,000