How should a consultant configure field service lightning to support this service ?

universal container provides installation services for each of its products. Each product requires different number of times, and a different sets of installation tasks

How should a consultant configure field service lightning to support this service ?
A . Use the work type to define the installation services for each product- use work order to track work for each customer – use service appointment to assign the work
B . Use cases to define the installation services for each product – use service appointment to track the work for each customer- use work order to assign the work
C . Use service appointment to define the installation services for each product – use work order to track order for each customer use task to assign the work
D . Use work order to define the installation services for each product use work type to each work – use work type to track work for each customer – use service appointment to assign the work

Answer: A