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1. To buy his favorite car, Larry is planning to accumulate money by investing his Christmas bonuses for the next five years in a security which pays a 10 percent annual rate of return. The car will cost $20,000 at the end of the fifth year and Larry's Christmas bonus is $3,000 a year. Will Larry accumulate enough money to buy the car? How much additional will he either need or have?

2. Marc has purchased a new car for $15,000. He paid $2,500 as down payment and he paid the balance by a loan from his hometown bank. The loan is to be paid on a monthly basis for two years charging 12 percent interest. How much are the monthly payments? How much interest will he pay in his first monthly payment?