An online retailer sells its $25 gift cards at supermarkets. The retailer knows that 20% of people who purchase these cards spend the full value, 70% leave a balance of $5 that is never spent, and the rest never use the cards at all. Because people pay cash for the cards, the amounts that are not spent are pure profit for the retailer. What is the online retailer’s expected profit per card?

Atravel agent is booking a trip to england, scotland, ireland, and france for a group of senior citizens. the agent sent surveys to the group, asking which countries they would like to visit, in order, and created the shown preference schedule (e = england, i = ireland, s = scotland, f = france). which country is the condorcet winner? number of votes 15 12 16 19 1st f e e i 2nd e s i s 3rd s i s e 4th i f f f 1. scotland 2. england 3. france 4.ireland