單項選擇題
Suppose the cost of operating a 75 room hotel for a night is $6,000 and there are 5 empty
rooms for tonight. If the marginal cost of operating one room for one night is $40, the hotel manager should rent one of the empty rooms only if a customer is willing to payA.more than $40, as the average benefit will exceed the marginal cost.B.more than $40, as the marginal benefit will exceed the marginal cost.C.more than $80, as the average benefit will exceed the marginal cost.D.more than $80, as the marginal benefit will exceed the marginal cost.