Managers can help customers to overcome or avoid postpurchase cognitive dissonance by all the of the following methods EXCEPT:

1-using a thank you note or follow-up contactthat reminds the consumer of why he or she made their excellent purchase decision, and provides an opportunity to correct any problems.

2-advertising to reinforce the quality of theproduct or service, as well as encouraging customer feedback tohelp marketers adjust their offerings.

3-guarantees or warranties that reminds consumers of future company support to stand behind the product or service.

4-minimizing customer complaints while monitoring social media sites to rebut any negative comments with harsh criticism of the consumer's intelligence.