Twenty-one years ago your aunt and uncle opened an account for you and deposited $2,500 into the account. If the account has earned 5.2%, compounded annually, what is the account balance today? You just bought a house by getting a $200,000 loan from a bank, the loan rate is 4% per year, but the payment must be made on a monthly basis. The loan term is 15 years. compute: 1. monthly annuity payment 2. total interest paid over 15 year period