$>$ Demand $=85$ bags$/$week

$>$ Order cost $=$$$\frac{50\mathrm{.}00}{?}$ order

$>$ Annual holding cost $=30$ percent of cost

$>$ Desired cycle$-$service level $=80$ percent

$>$ Lead time $=5$ weeks $(30$ working days$)$

$>$ Standard deviation of weekly demand $=15$ bags

$>$ Current on$-$hand inventory is $320$ bags, with no open orders or backorders.

The costs will be $ higher owing to the error in EOQ. $($Enter your response rounded to two decimal places.$)$