A person wants to establish an annuity for retirement. He wants to make monthly deposits for 20 years, so that he can make monthly withdrawals of $5000 for 10 years. The annuity earns 7.2% interest compounded monthly. How much will have to be in the account at the time he retires? Use PV = PMT 1-(1+i)- How much should be deposited each month for 20 years in order to accumulate the required amount? Use FV = PMT (1+i)1 i How much interest was earned over the entire 30-year period?