Answer:
The correct answer is a. decreasing product mix breadth.
Step-by-step explanation:
The product mix, also known as a variety of products, refers to the total number of product lines that a company offers to its customers. For example, a small company can offer several product lines. Sometimes, these product lines are very similar, such as liquid detergents and bar soaps, since both are used to clean and use similar technology. On other occasions, the product lines are very different, such as diapers and razor blades. The four dimensions of a company's product mix include: width, length, depth and consistency.