8. If you were to save $50 each week, how much could you invest each month (use four weeks per month)? How much could you invest in a year (12 months) using that monthly figure? Per Month: $ Per Year: $ 9. If you were to invest that monthly amount (from question 8) each month, with a 12% rate of return, how much would you have after 10 years? 20 years? 30 years? 40 years? 10 years: $ 30 years: $