Final answer:
Sales people are called knowledge workers because they sell services and products that are based on knowledge and information.
Step-by-step explanation:
Sales people are often referred to as knowledge workers because their work involves selling services and products that are based on knowledge and information. In a knowledge-based economy, the value of goods and services is dependent on the knowledge and expertise of those who create and sell them. Salespeople need to have in-depth knowledge about the products or services they are selling, as well as a good understanding of the market, customer needs, and competitive landscape. Their role is to leverage their knowledge and skills to effectively communicate the benefits of their offerings and persuade customers to make a purchase.