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 for fairness to customers.
B) The emphasis is on staffing levels, not materials.
C) Reservations and appointments are often used to manipulate the supply of services.
D) Labor use can be intensive, and labor demand is usually stable.
E) All of the above are true.