cycle service level. Demand averages units per day, and the standard deviation of demand per day is units. Lead time is days (round Z-values, standard deviations to two decimal places). Question content area bottom: Part 1 a. How many units of safety stock should be held? (round your response to the nearest integer). b. What should the target inventory level (order-up-to level) be? (round your response to the nearest integer). c. Suppose that its time to review the item There are 154 units in inventory, and there is an outstanding back order for 441 units. An order is for 131 units is on the way. How many units should he ordered now