Which of the Following Statements About Product Lines Is MOST

Which of the following statements about product lines is MOST ACCURATE?

A) An advantage of a narrow product line is the ability to have a greater gap between price points.
B) Product lines refer to consumer products;product mixes refer to industrial products.
C) An advantage of broad product lines is increased likelihood of access to large retail chain distribution.
D) A benefit of having a narrow product line is that it enables both consumers and retailers to simplify their buying decisions.
E) A broad product line reduces R&D costs.