Which of the Following Is a Major Guideline That Should

Which of the following is a major guideline that should be considered when using suggestion selling?

A) Don't waste time suggesting low-profit items.
B) Don't hesitate to make suggestions before closing the sale.
C) Don't make suggestions until you have first satisfied the customer's primary need.
D) Show the suggested item only if the customer seems interested.
E) Suggestion selling should be used to generate half again as much revenue as the primary product does.