Which One of the Following Descriptions Best Defines the Cycle-Service

Multiple Choice

Which one of the following descriptions best defines the cycle-service level as a measure of customer service?

A) The preferred proportion of annual demand instantaneously filled from stock
B) The number of stockouts tolerated per year
C) The preferred proportion of days in the year when an item is in stock
D) The desired probability of not running out of stock in any one inventory cycle