Suppose you want to have $500,000 for retirement in 20 years. Your account earns 10% interest. a) How much would you need to deposit in the account each month? _ b) How much interest will you earn? uppose you invest 1 I a mont ' years into an account earning 9% compounded monthly. After 4 years, you leave the money, without making additional deposits, in the account for another 21 years. How much will you have in the years Into an account earning 10% compounded monthly. After 5 years, you leave the money, without making additional deposits, in the account for another 20 years. How much will you have in the end? 5:] Suppose instead you didn't invest anything for the first 5 years, then deposited $150 a month for 20 years into an account earning 10% compounded monthly. How much will you have in the end? 5:]