Which Statement About Product Lines Is Most Accurate

Which statement 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.