Ben saw a half-hour TV show with George Foreman on it. During the show Foreman was showing how to prepare a variety of foods so that they would be totally fat-free. Each item was prepared using a special ccker. During the show the TV audience were given several opportunities to buy the cooker. Ben was watching: Select one: a. outbound telemarketing b. interactive electronic retailing C. direct selling d. a sales promotion e. an infomercial