Question $33$

Demand $=15$ units$/$wk $($assume $52$ weeks per year$)$; EOQ $=45$ units $($with reorder point system$)$; Lead time $(L)=3$ weeks; Standard deviation in weekly demand $=5$ units; Calculate safety stock for a periodic inventory system $(P$ system$)$ with $90$ percent cycle$-$service level. Round your answer to your nearest integer.

$90$

$12$

$24$

$106$

$16$