15-14
40. If mean daily demand is 20 units, lead time is 7 days, the standard deviation of demand
during lead time is 12.0 units, and management has a preferred service level of 99.9% (z = 3),
the reorder (R) level for the item would be
41. If the standard deviation of lead time demand is 10 units, management has a preferred
service level of 99.9% (z = 3), and holding costs are $0.75 per unit per month, the annual cost
of holding safety stock for this product will approximate to
42. Which of the following statements concerning differences between continuous review (Q
systems) and periodic review (P systems) inventory systems is FALSE?