Sales per week $($d$)=3\mathrm{.}4$

Standard deviation of demand per week $(\backslash$sigma d$)=1\mathrm{.}7$

Step $3$: The company is using the Q system to manage inventory. The order cost is $$2$ per order and the holding cost per unit per week is $$0\mathrm{.}2.$ The company is targeting $95\%$ customer satisfaction measured by order fulfillment rate. The order lead time is $2$ weeks. There are $52$ weeks in a year. Answer the following questions

Economic Order Quantity $=$

Safety Stock $=$

Re$-$order Point $=$

Average Inventory Level $=$

Total Inventory Cost in a year $=$

Step $4$: Following the information above, the company uses the P system to manage inventory with a four$-$week inventory review period. What is the target inventory level?