is the development of a product that is closely related to one or more products in a firm's existing product line but is designed specifically to meet somewhat different customer needs.

The correct answer is letter "B": line extension.

Explanation:

In an attempt to widen its customer scope, firms dedicate to produce more than one good. The different number of products manufactured are called lines. Every time the company adds new types of goods to its production the firm is making a line extension. The number of combined lines is called the product mix.

answer; the above statement is (true);

where is the graph?