$\_\_\_\_\_\_\_\_$ determines if a buyer is satisfied or dissatisfied with a purchase.

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Part $1$

A$.$

Whether or not the buyer experiences cognitive dissonance

B$.$

How others feel about the purchase

C$.$

The number of alternatives considered in the purchase decision

D$.$

The amount of information gathered in the$$ decision$-$making process

E$.$

The relationship between the$$ consumer's expectations and the$$ product's perceived performance