1) Carlos, who lives in a country where interest rates are very high, goes to an ATM every day to get $10 of spending money. Art, who lives in a country with relatively low interest rates, goes to the ATM once a month to get $300 Of spending money.why does Carlos use the ATM more frequently?
2)The opportunity cost of your time spent cutting hair at your barber shop is $20 per hour. electricity costs $ 6 per hour, and your weekly rent is $250 . you normally stay open nine hours per day.
1) what is the marginal cost of staying open for one more hour? $ 10
2)if you expect to give two haircuts in the 10th hour and you charge $15 per haircut, is it sensible to stay open for the extra hour? it is sensible to stay open for the extra hour because marginal benefit of $ 30 exceeds the marginal cost of $10, which generate a profit of $20
3)suppose you borrow money to buy a car and must repay $20,000 in interest and principal in five years. your current monthly salary is $4,000
1) stable in prices - monthly salary ($4,000) months of work to repay $20.000 loan( 5 months)
2) prices rise by 25%-monthly salary ($ 5,000) months of work to repay$20.000 loan ( 4 months)
3) prices drop by 50%-monthly salary ($ 2,000) months of work to repay $20.000 loan (10 months)
4)which environment has the lowest real cost of repaying the loan? inflation: prices rise by 25%
2,3 번은 제가 풀었는데 맞는지 확인좀 해주세요.. 1번은 opportunity cost 문제 인거 같은데 잘모르겠어요.. 그리고 영어로 어떻게
답변을 해야할지도 모르겠어요... economics 잘하는 미씨님들 제발 도와주세요..
너무 너무 감사드립니다..
