Which One of the Following Statements Concerning Aggregate Planning Alternatives

Which one of the following statements concerning aggregate planning alternatives is best?

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