Accountants, Purchasing Agents, Engineers, and Other Players in a Buying

Accountants, purchasing agents, engineers, and other players in a buying center perceive the evaluation of products in different ways which makes a buying center:

A) Less effective than a center handled only by purchasing
B) More effective since individuals with different perspectives gives a well-rounded view of the purchase decision.
C) Chaotic since there are so many different view points for a product evaluation
D) All of the above
E) None of the above