Which of the Following, If True, Would Strengthen the Argument

Multiple Choice

Which of the following, if True, would strengthen the argument for the shift to a just-in-time inventory system?

A) Clean Sweep's storage and handling costs are significant.
B) Clean Sweep's suppliers have not adopted just-in-time systems.
C) The current system requires higher inventory levels during the summer as compared to the winter.
D) Demand for Sparkle varies depending on the promotional strategies of Clean Sweep's retail partners.
E) Sparkle comes in many varieties, none of which is more popular than the leading brand.