Daily Demand for Packages of Five Videotapes at a Warehouse

Essay

Daily demand for packages of five videotapes at a warehouse store is found to be normally distributed with mean 50 and standard deviation 5.When the store orders more tapes,the ordering cost is $42 and the orders take four days to arrive.Each pack of tapes costs $7.20,and there is a 24% annual holding cost for inventory.Assume the store is open 360 days a year.
a.What is the EOQ?
b.If the store wants the probability of stocking out to be no more than 5%,and demand each day is independent of the day before,what reorder point should be set?
c.How much of your reorder point in part b)is safety stock?