Bobby Nelson, made deposits of $880 at the end of each year for 6 years. Interest is 6% compounded annually. What is the value of Bobby's annuity at the end of 6 years? 1, Crystal Nelson is 30 years old and she invests $3,300 in an annuity, earning a 8% compound annual return at the beginning of each period, for 21 years. What is the cash value of this annuity due at the end of 21 years? 2