Petromax Enterprises uses a continuous review Inventory control system for one of its SKUs. The following information is available on the tom. The firm operates 52 weeks in a year. Refer to the commal man for 2-values > Demand - 52000 units/year Ordering cost = 532 50/order > Holding cost = 52 50/unityear > Average lead time = 9 weeks Standard deviation of weekly demand = 120 units a. The economic order quantity for this item is 1163 units. (Enter your response rounded to the nearest whole number) b. Petromax wants to provide a 96% service level the safety stock is units (enter your response rounded to the nearest whole number) and the reorder point is units (enter your response rounded to the nearest whole number)