As noted in your text, the service industries account for 68% of the US GDP; thus it is very likely that you will work in a service business at some time in your career. While marketing of services also employ the marketing mix ("4 P's), some say that marketing a service is more difficult than marketing a tangible product. How does marketing a service differ from marketing a tangible good -- be specific in your response and list/discuss the differences. Do you think marketing a service is more difficult? Why or why not? (Defend your response; 200 word minimum).