Which of the Following Is True of Product Line Advantage

Multiple Choice

Which of the following is true of product line advantage?

A) A business with a broad line of products has to be more focused in order to be cost effective in its marketing efforts.
B) It is important to expand a business's product line during the emerging stage of the product life cycle.
C) Businesses with narrow product lines are more profitable during the emerging and growing stages of a product life cycle.
D) A narrow line of products creates more selling opportunities for the sales force and channel partners.
E) It is a source of competitive advantage that is independent of differentiation advantage.