Development of the Marketing Mix Is Contingent Upon the Customer

Development of the marketing mix is contingent upon the customer segment to be served. How do customer service segments differ from product market segments?

A) Service segments are often narrower than product segments.
B) Service segmentation focuses on what business buyers need versus on what they expect.
C) Service segments are often wider than product segments.
D) The demand patterns of each service segment are very similar.
E) none of the answer choices