Answer:
a. an express warranty.
Explanation:
Express warranty is written or verbal assurance by the seller or manufacturer that the product on sale will meet the buyer's expectations in terms of functionality, reliability, and quality. The sellers make a commitment to either repair or replace the product should it malfunction within a specified period. Details of a warranty are communicated through branding and advertisements.
The wording of an express warranty need not contain the words warranty or guarantee. In the case where there is no wording, the warranty is implied. The statement of the phoenix salesperson is an express warranty. They are assuring the client of the quality of the merchandise.