Which of the Following Are Accurate Statements Concerning MPS,MRP and Capacity

Multiple Choice

Which of the following are accurate statements concerning MPS,MRP and capacity requirements planning (CRP) ? I) CRP is equivalent to a master production schedule (MPS) .
II) CRP is needed to determine if an MPS is feasible.
III) CRP is an input to MRP.
IV) Planned-order releases from MRP are the inputs for CRP.

A) CRP is equivalent to a master production schedule (MPS) .
B) CRP is an input to MRP.
C) CRP is needed to determine if an MPS is feasible
D) Planned-order releases from CRP are the inputs for MRP