Opportunity cost analysis. Dave Orth operates a covered parking structure that can accommodate up to 600 cars. Dave charges S5 per hour for parking. Parking attendants receive $12.00 an hour to staff the cashier's booth at Orth's Parking. Utilities and other fixed costs average $4,000 per month.

Recently, the manager of a nearby Hilton Hotel approached Dave concerning the reservation of 100 spots over an upcoming weekend for a lump sum of $3,000. This particular weekend was a football weekend, and the structure would be full for only the six hours surrounding the game. Other than those six hours, the structure would have more than 100 empty spots available. What is the opportunity cost of accepting the offer?