A golf specialty wholesaler operates 50 weeks per year. Management is trying to determine an inventory control policy for its 1-irons, which have the following characteristics: Mean demand =2000 units/year Demand is normally distributed Standard deviation of weekly demand =20 units Order cost =$72 /order Annual holding cost =$5 /unit Desired cycle-service level =90% Lead time =4 weeks Current on-hand inventory is 300 units, with no open orders and a backorder of 50 units. Currently, the company uses a continuous review (s,S) policy. d. Please describe briefly the inventory control policy based on your calculation including the order quantity, when to order and how often to order. ( 20 points)