A friend of mine recently booked tickets for a cruise. It will be his and his wife's fifth cruise. Never having been, I asked why he enjoyed cruises so much and, among the numerous reasons he gave, he mentioned the payment structure: "I like that I only have to swipe my credit card once. I buy the tickets now and, once we're on the ship, everything is included. Describe how one or two topics covered in this class explain my friend's rationale. Name another topic or two that my friend should be made aware of before making similar purchases based on this logic.

**consumer behavior class