The Underlying Logic for Level- By- Level Processing in an MRP

Multiple Choice

The underlying logic for level- by- level processing in an MRP system is

A) all parents of an item must be processed before that item is processed.
B) items without safety stock quantities must be processed before items that have safety stocks greater than zero.
C) each item in a bill of material must be processed from the bottom up.
D) items must be processed in order of increasing lead time.