Which of the Following Statements About Vertical Business Markets Is

Which of the following statements about vertical business markets is True?

A) In a vertical business market, a product must be developed as an all-purpose item.
B) Middlemen are more likely to be used in vertical business markets.
C) Advertising and personal selling efforts can be directed more effectively in vertical business markets.
D) In a vertical business market, products cannot be profitably tailor-made.
E) Vertical business markets are more common for consumer products than for business products.