Answer:
low ball
Explanation:
From the question, we are informed about A dealer who persuades a customer to buy a new car by reducing the price to well below that of his competitors. Once the customer has agreed to buy the car, the terms of the sale are shifted by lowering the value of the trade-in and requiring the purchase of expensive extra equipment. Now the car costs well above the current market rate. In this case, This is an example of the low ball procedure. The low-balling procedure can be regarded as lpersuasion tactic whereby the seller offer will give an initial offer of goods/ service at a lower price than the expected price, so that the buyer can commit, after the commitment from buyer, the price will be suddenly increased. This technique is famous among salesmen as well as advertisers.