Which of the Following Is TRUE Regarding Services Scheduling

Multiple Choice

Which of the following is TRUE regarding services scheduling?

A) The critical ratio sequencing rule is widely used to provide fairness to customers.
B) The emphasis is on materials rather than staffing levels.
C) Reservations and appointments are often used to manipulate the supply of services.
D) Labor use can be intensive, and labor demand can be highly variable.
E) All of these are true.