In which two ways should the consultant define operation house to meet this requirement?

universal containers technician may be assigned to jobs with arrival window to meet the costumer appointment time preference technicians are also assigned to jobs without a preferred appointment time.

In which two ways should the consultant define operation house to meet this requirement? Choose 2 answers
A . When service resources are available for work
B . The maintenance plan for account
C . The due date of the service appointment
D . The time slots for appointment booking

Answer: C,D