Sophia watches a TV commercial for Missy 21, a women's magazine. The commercial asks viewers to call a toll-free number to place an order for a one-year subscription to the magazine. It also announces that the first 200 callers to place an order will receive an additional subscription of three months at no extra charge. This is an example of using the _____ approach of direct marketing.
A. two-step
B. outbound
C. buzz
D. one-step
E. bulls-eye