You manage inventory for your company and use a continuous review inventory system to control reordering items for stock. Your company is open for business $300$ days per year. One of your most important items experiences demand of $20$ units per day, normally distributed with a standard deviation of $3$ units per day. You experience a lead time on orders from your supplier of six days with a standard deviation of two days. The unit price, regardless of order size, is $$4\mathrm{.}75.$ Your ordering cost is $$10.$ Your Inventory carrying cost is $20$ percent. You have established a service level policy of $97\mathrm{.}5$ percent on this item. Use Table $7-2.$