Which One of the Following Statements Is BEST

Multiple Choice

Which one of the following statements is BEST?

A) A P system requires more safety stock than a Q system.
B) A P system lends itself more to quantity discounts than does a Q system.
C) A P system requires more administrative control and computer support than does a Q system.
D) In a periodic review system,the value of Q is kept the same from one cycle to another.