ut References Mailings Review View 7. You want to have $1,000,000 when you retire 50 years from now. How much should you invest each month to achieve your goal? You earn 9% interest compounded monthly (a guy can dream). 8. A quick 18 years from now, you expect your new-born daughter to go to college. How much money should you invest now in an account paying 3% interest annually so that you have $50,000 to pay for her first semester? AHA