Sierra South Sells Whitewater Rafting and Kayaking Trips,and Related Merchandise

Sierra South sells whitewater rafting and kayaking trips,and related merchandise.The company uses a Web site to gather information from potential customers of its products.This information is entered into the company's database.Names and information in this database are used to determine who should receive a personalized sales e-mail from the company.Sierra South is using:

A) mail-order advertising.
B) database marketing.
C) direct selling.
D) direct-mail advertising.
E) interactive advertising.