During the purchasing decision, evaluation stage, the consumer forms preferences among the brands in the choice set. There are two models that help the consumer to reach to the right decision compensatory and non-compensatory. Define them and show how does the later help the consumer in recommending a car among three brands. Assume that the total features that are steering the consumer's selection are: the number of seats, the availability of spare parts, the engine performance, and the preferences of people toward the car.