Ashana Vogel, a book salesperson, approaches a prospect with the following words, "Hello, Dr. Stein-your colleague Josh Stockard suggested I contact you concerning our new accounting workbooks." What type of approach is Ashana using?

A) Introductory
B) Referral
C) Premium
D) Complimentary
E) Product

Referral

The act of recommending a product, service, or company to someone else, often based on personal experience.

Complimentary

Expressing a polite or flattering comment towards someone or something, or items given for free in connection with a purchase or promotional activity.

Product

A tangible good or intangible service that is offered to the market for acquisition, attention, use, or consumption and that might satisfy a want or need.