(4 points) Suppose that the effective annual interest rate is 7%. Find the present value and the accumulated value of the annuity-immediate consisting of the following 31 annual payments: $900, $1000,..., $2300, $2400, $2300,..., $1000, $900. a) Present Value = $ b) Accumulated Value = $ (4 points) Suppose that the effective annual interest rate is 7%. Find the present value and the accumulated value of the annuity-immediate consisting of the following 31 annual payments: $900, $1000,..., $2300, $2400, $2300,..., $1000, $900. a) Present Value = $ b) Accumulated Value = $