choose the correct sentence that describes the diagram

a$.$ The person must be SALARIED or HOURLY and work in one or more of the following positions: TECHNICIAN, SECRETARY, ENGINEER, or MANAGER.

b$.$ The employee may be SALARIED or HOURLY and must be a TECHNICIAN, SECRETARY, ENGINEER, or MANAGER.

c$.$ None of these

d$.$ The employee must be SALARIED or HOURLY and may be a TECHNICIAN, SECRETARY, ENGINEER, or MANAGER.