SOLVE USING MANUAL FORMULAS - NOT AN EXCEL FUNCTION

3. If the unpaid mortgage on your house in 12 years will be $249,600, how much money do you need to invest at the end of each year at 6% to accumulate exactly this amount at the end of the 12th year? 4. You plan to save $4,800 of your earnings at the end of each year for the next 8 years. How much money will you accumulate at the end of the 8th year if you invest your savings compounded at 4% per year? 5. You have just turned 65 and an endowment insurance policy has paid you a lump sum of $400,000. If you invest the sum at 6%, how much money can you withdraw from your account in equal amounts at the end of each year so that at the end of 7 years (age 72), there will be nothing left