Which One of the Following Statements Concerning Sales and Operations

Which one of the following statements concerning sales and operations planning alternatives is BEST?

A) Building anticipation inventory during the slack season is a demand management option a firm can follow to satisfy seasonal demand patterns.
B) Adjusting workforce levels is an attractive reactive alternative when the cost of training and unemployment compensation is high.
C) Creating anticipation inventory has the advantage of increasing customization.
D) Using overtime is an undesirable option when the overtime wage premium is high and sustained levels of top worker productivity are important.