Sal Needs to Figure Out How to Schedule Employees to Cover

Sal needs to figure out how to schedule employees to cover shifts at the hospital during the holidays. He needs to be sure that there are enough doctors, nurses, janitors, receptionists, lab technicians, and radiologists on staff so that any emergency would not put the hospital into crisis mode. Even though billing and intake are not critical to emergencies they also will need coverage. How will Sal figure out how many staff he needs to keep the hospital functional throughout the holidays?

A) He can use operations management.
B) He can use the contingency viewpoint.
C) He can use the human relations movement.
D) He can use total quality management.
E) He can use management science.