$1$ What is the difference between Aggregate panning, MPS & MRP$?$

$2$ What is BOM?

$3$ Determine the quantities of each item needed for a gross requirement of $450$ A$\text{'}$s

using this: A$-2$B $-2$C $-2$D

$2$E $3$F $2$I $2$H

$4$E $3$F