Answer:
Based on their findings, the target markets that are ultimately chosen based on such demographics should be defined in the situational analysis section of the ad plan.
Step-by-step explanation:
An ad plan is a document where a company establishes how it is going to reach the potential customers through the media available. In this plan, the target markets should be defined in the situational analysis section because it details the external and internal factors that have an influence in the company like competitors, market, products and consumers. Therefore, in this section, there is a description of the target market of the company.