Carol Was Recently Fired from Her Job as a Purchaser

Carol was recently fired from her job as a purchaser for a grocery store. She was told the reason for her dismissal was the almost continuous rotting of large amounts of produce and meat while in the stockroom awaiting sale in the store. Which objective of purchasing did Carol fail to accomplish?

A) She failed to make sure the materials needed were in the proper amounts.
B) She failed to secure the needed materials at minimum cost.
C) She failed to obtain the materials needed before they were needed.
D) She ordered the wrong materials for her company.
E) She failed to purchase the best quality of materials available.