Tony is the staff manager of a movie theater, and he is trying to decide which shifts should have the greatest number of employees on staff. Over the course of a week, Tony recorded how many customers appeared during each shift, the results of which can be seen in the graph below. A bar graph titled Customers in One Week has Shift Start Time on the x-axis and Number of customers on the y-axis. 10 a m, 121; 1 p m, 156; 4 p m, 378; 7 p m, 671; 10 p m, 458. Tony wants the distribution of his employees to match the distribution of the customers. If Tony has 230 total employees, how many should he assign to the 1:00 p. m. shift? a. 15 b. 20 c. 68 d. 156 Please select the best answer from the choices provided