(Solving for r with annuities) Nicki Johnson, a sophomore mechanical engineering student, receives a call from an insurance agent, who believes that Nicki is an older woman ready to refire from teaching. He talks to her about several annuities that she could buy that would guarantee her an annual fixed income. The annuities are as follows in the popup window If Nicki could earn 12 percent on her money by placing it in a savings account, should she place it instead in any of the annuities? Which ones, if any? Why? a. What rate of return could Nicki earn on her money if she place it in annuity A with $9,000 payment per year and 25 years duration? \% (Round to two decimal places) Data table