Weekly demand for a $3-$D printer retailer has a mean of $50$ units. The supplier has a lead time of $21$ days. The cost of placing an order to the supplier each time is $$8,$ and annual holding cost for one unit is $20$ percent of the Cost of Goods.Each unit costs the retailer $$208.$ Assume $52$ weeks in a year.Assume there is a weekly standard deviation in demand of $10$ units $($Chapter $11).$If your average inventory $($lo $+$ Ih$)=200$ units, what is your per unit inventory holding cost $($careful youneed to convert to a weekly holding cost$)?*$The average inventory in this question is independent from other questions$*$