Use the tabular method
What is the future value pf $5,000 set aside each year for 20 years @10% compounded annually? What is the total investment income for the period?
What is the future value off $25,000 set aside annually for 15 years @8% per year? What is the total amount of investment income ?
What is the present value of a $100million lotto prize to be paid in 25 annual payments if the inflation rate is expected to be 6%?