The Capacity of a Restaurant Would Be The

The capacity of a restaurant would be the:

A) average number of customers that visit the restaurant on weekends.
B) total number of customers who have visited the restaurant since its establishment.
C) average number of employees who work in the restaurant on a normal day.
D) maximum number of customers who can be effectively served at any one particular time.
E) minimum operating cost of the restaurant during a workweek