Problem 13-31

A drugstore uses fixed-order cycles for many of the items it stocks. The manager wants a service level of .98. The order interval is 13 days, and lead time is 3 days. Average demand for one item is 70 units per day, and the standard deviation of demand is 10 units per day. Given the on-hand inventory at the reorder time for each order cycle shown in the following table.

Use Table.

Cycle On Hand
1 39
2 14
3 110

Determine the order quantities for cycles 1, 2, and 3: (Round your answers to the nearest whole number)

Cycle Units
1
2
3