Question $37$

Demand $=10$ units$/$wk $($assume $52$ weeks per year$)$; EOQ $=62$ units $($with reorder point system$)$; Lead time $($L$)=3$ weeks; Standard deviation in weekly demand $=8$ units; Calculate target inventory level for a periodic inventory system $(P$ system$)$ with $90$ percent cycle$-$service level. Round your answer to your nearest integer.

$90$

$31$

$24$

$121$

$6$