Answer:
D) Unselected is a set of tactical and execution-level business activities that includes master scheduling, material requirements planning, and some form of production activity control and vendor order management.
Step-by-step explanation:
Planning and control (Production planning and control system, PPC) is concerned with the reconciliation between what the market requires and what the operation's resources can deliver. Planning and control activities provide the systems, procedures and decisions which bring different aspects of supply and demand together. Planning and control can also be defined as a set of tactical and execution-level business activities that includes master scheduling, material requirements planning, and some form of production activity control and vendor order management.