Answer: Option (A) is correct.
Explanation:
From the given options, the following actions can be an example of signal designed to reduce the impact of asymmetric information: Money-back guarantee.
A money-back guarantee can be referred to as an essential that guarantee, if a consumer/individual is not satisfied with commodity or service, refund to the respective account will be made. Money-back guarantee reduces the impact of asymmetric information between a consumer and seller.
