Emilio Saw a Wonderful All-In-One Kitchen Appliance for Sale on TV

Emilio saw a wonderful all-in-one kitchen appliance for sale on TV. The appliance would allow him to get rid of six small appliances and leave more room in his kitchen. Emilio called the number and agreed to purchase the product. He then found out that the price only covered the product base and he would have to purchase each appliance add-on individually. When he did this the product cost significantly more than he originally thought. This is known as the

A) foot-in-the-door technique.
B) door-in-the-face technique.
C) lowball technique.
D) 'but you are free' technique.