David Manages a Shoney's Restaurant

Multiple Choice

David manages a Shoney's restaurant.He is considering staying open later in the evening.For David,the variable costs associated with staying open longer hours will include all of the following EXCEPT

A) ingredients used in preparing food.
B) hours worked by cooks.
C) monthly rent on the restaurant building.
D) energy costs.
E) hours worked by the waiters and waitresses.