You're shopping for a new dishwasher, but you've heard that some dishwashers don't clean dishes reliably and that others have performance issues within a short time. How could you reduce information asymmetry with respect to the quality of the dishwasher you're considering buying?

a. View Consumer Reports ratings of the dishwasher.

b. Read customer reviews on Home Depot's and Lowe's websites.

c. Check whether the manufacturer offers a strong warranty for the dishwasher.

d. All of these reduce information asymmetry for your purchase.