Which of the Following Statements About the Importance of Salespeople

Which of the following statements about the importance of salespeople and selling is true?

A) The efforts of salespeople are not instrumental in keeping existing products on retailers' shelves.
B) Salespeople have no direct impact on the success of new products.
C) No other profession generates less revenue in our economy than the selling profession.
D) Salespeople have an indirect impact on the constructing of manufacturing facilities.
E) The lack of selling capability puts people at a disadvantage.