Answer:
B. employee and agent
Step-by-step explanation:
Nadya is an employee of Purified Water Company because according to the situation, the company supervises her as a sales representative, also because she has a pre established schedule given my the company. These are specific aspects that make the difference between an independent contractor and an employee.
In the same way, an agent is a person who represents a company or a business with clients, other companies or other third parties. in Nadya's case, she is a sales agent, she represents Purified Water Company with Restaurants, grocery stores, and other businesses, as well as individual consumers.