A business firm its markets so it can respond more effectively to the wants of groups of potential buyers, which should result in increased sales and profits.

Segments

Explanation:

A business firm Segments it's market so it can respond effectively to the wants of target buyers.

Business firm segmentation is defined as the process of dividing a market group into different sections. Business firms can be segmented in different ways based on different criterias depending on the product and the objective of the seller. The more a business firm can segment it's product into different Segments, the easier it is for the buyers to make their choices which will lead to increase in sales and in turn increase Profit of the seller.

In summary, business firm segmentation leads to increase in sales and increase in Profit.

answer; (a) calling people who have not shown interest in the product and asking them to buy it;