1. Calculate the present value of an annuity stream that pays $20,000 every year for 5 years on the last day of each year if your investment pays 20% compounded quarterly? 2. Calculate the future value of $20,000 invested today for 6 years if your investment pays 4% compounded annually 3. Calculate the future value of an annuity stream that pays $6,000 every year for 5 years on the last day of each year if your investment pays 10% compounded semi annually?