The functional manager is planning the biling system replacement project with the newestproject manager at the company. In discussing this project, the functional manager focuses onthe cost associated with running the system after it is created and the number of years thesystem will last before it must be replaced. What best describes what the functional manageris focusing on$?$

a$.$ Project management life cycle

Ob$.$ Project life cycle

Oc$.$Program management life cycle

Od$.$ Product life cycle