3) A local supermarket uses a Q inventory control system for strawberry ice-cream cones. The daily demand is 100 cones, with a standard deviation of 9 cones Ordering cost is $20 and the inventory holding cost is $0.51 per piece yearly. The load time from the supplier is 2 days, a standard deviation of 1 day. The supermarket is opened 365 days a year. a. Calculate the economic order quantity? b. what is the best order quantity if the supplier allows delivering full van load of 500 bars? c- Calculate the reorder point (R) & safety stock using 96% cycle-service level (z= 1.75)? e-Suppose that a periodic review (P) system is used, but otherwise the data are the same. Calculate the target inventory level (T), Safety stock and annual inventory cost? (Hint P=TBO EOQ and assume constant lead time)