Jamie works as a salesperson at a car dealership. he takes his sales very seriously. after selling a car to a customer, he waits two weeks and then calls the customer to see how they like their new car. he tries to reinforce the fact that they made a smart investment and that the dealership is there for any problems they might have. jamie is attempting to reduce

cognitive dissonance

Explanation:

Cognitive dissonance -

It is a type of mental stress which is felt by a person , who have two or more contradictory ideas or beliefs regarding any action , is known as cognitive dissonance .

This problem increases due to any new idea or new approach .

hence , from the question , Jamie , being a good salesperson ,  after selling the car , wait at least for a week and then call the customer to to insure them for their good decision .

Hence , Jamie is trying to reduce cognitive dissonance .

answer; (d) i believe that the correct answer is ; /// a new invention lowers the cost of production;

answer; (b) insider trading;