Problem 1 Mrs. Doe deposits $100 into a saving account that earns interest at %12 a year compounded monthly. How much interest will be earned during: 1) the first year; 2) the second year. Problem 2 Find the compound interest earned on the investment of $100 for 5 years at a nominal rate of 5% compounded with frequencies: annual, semi-annual, quarterly, monthly, weekly and daily. Problem 3 Mr. Doe can buy a car for S50,000 cash or payments of S35,000 down and S25,000 in 5 years. If he can earn interest at 10% a year compounded weekly, which plan is better