Dr. anderson plans to make a series of gradient-type withdrawals from her savings account over a 10-year period, beginning at the end of the second year. what equal annual withdrawals would be equivalent to a withdrawal of $1000 at the end of the second year, $2000 at the end of the third year,. . . , $9000 at the end of the 10th year, if the bank pays 9% per year, compounded annually