Question: please answer each step clearly, thank you. 4. (8 points) Consider a periodic review system. Demand averages 240 units per day, and the standard deviation
please answer each step clearly, thank you.

4. (8 points) Consider a periodic review system. Demand averages 240 units per day, and the standard deviation of demand per day is 42 units. Lead time is 22 days. Orders are placed every 10 days. The firm strives to provide a 96% cycle service level. a. How many units of safety stock should be held? b. What should the order-up-to level be? c. Suppose that it is time to review the item. There are 150 units in inventory. An order for 200 units is on the way, and there is an outstanding backorder for 500 units. How many units should be ordered
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