After purchasing a fancy$-$cut diamond ring for his wife, Grant feels dissatisfied with his purchase. He feels that the ring was overpriced and poorly cut. Moreover, Grant thinks that he should have selected the round brilliant$-$cut diamond rather than the fancy$-$cut diamond. In this scenario, Grant is experiencing

Group of answer choices

impact bias.

cognitive dissonance.

psychosocial heurism.

belief$-$bias effect.

overregularization.