Answer:
b. a salesperson
Explanation:
There are three economic sectors:
1. The primary sector: The people employed in the primary sector are usually involved in the extraction of raw materials from the ground or the production of raw materials. Examples of people employed in the primary sector are farmers ,fishermen, miners.
The secondary sector: The people employed in the secondary sector are usually involved in the manufacturing of goods from raw materials. E.g factory workers
The tertiary sector: The people employed in the tertiary sector are usually involved in providing services to consumers. E.g. sales person
I hope my answer helps you