Question no 3368 : Mandatory Field in MRP1,2 view for Procurement Material

In SAP MM and PP as at ECC6.0 EhP7, the following are mandatory for material with Procurement type "F" (External Procurement) in the MRP1 and MRP2 data view in the standard SAP system EXcept ?

(only one answer)

A)   MRP Type.
B)   Lot Size Key.
C)   Safety Stock.
D)   Scheduling Margin Key.
E)   Planned Delivery Time.
.