$0\mathrm{.}3(10$ points$)$B&B operates $52$ weeks per year, $6$ days per week, and uses a continuous review inventory system. It purchases bags for $$/1\mathrm{.}70$ per bag. The following information is available about these bags:Demand $=90$ bags$/$weekOrder cost $=554/$order$.$Annual holding cost $=27$ percent of costDesired cycle$-$service level $=80$ percentead time $=3$ weeks $(18$ working days$)$indard deviation of weekly demand $=15$ bagsrent on$-$hand inventory is $320$ bags,