Evan works for the Greek Squad, mostly on pc and laptop repairs. He has noticed that most consumers ask for references from happy customers and don't know much about computers themselves. Which of these is most likely to be a characteristic of the repair services that Evan performs?

a. The quality of services can be predetermined in a similar manner to tangible products

b. a consumer may not have the ability to judge the quality of the repair service even after it has been provided.

c. the service provider should concentrate on the problem recognition stage of the purchase decision process in the marketing of computer services.

d. customers are engaged in a low involvement purchase process