A Product Line Is a Group of Products That Are

A product line is a group of products that are closely related because they satisfy a class of needs, are used together, __________, are distributed through the same type of outlets, or fall within a given price range.

A) are made of similar component parts
B) are sold to the same customer group
C) require high levels of R & D
D) always carry the same brand name
E) are all convenience goods