Suppose the lead time for Part A is $2$ weeks and the on$-$hand inventory is $28.$ The lot sizing rule is FOP with P $=2.$ We want to make the planned order release at week $1$ of $20$ the firm planned order $($FPO$).$

Part A

$1$

$2$

$3$

$4$

$5$

$6$

$7$

$8$

Gross requirement

$10$

$15$

$10$

$20$

$20$

$15$

$15$

$15$

What are net requirements?