(Annuity interest rate) Your folks just called and would like some advice from you. An insurance agent just called them and offered them the opportunity to purchase an annuity for $15,945.96 that will pay them $3,000 per year for 10 years. They don't have the slightest idea what return they would be making on their investment of $15,945.96. What rate of return would they be earning? The annual rate of return your folks would be earning on their investment is \%. (Round to two decimal places.) (Annuity interest rate) You've been offered a loan of $50,000, which you will have to repay in 8 equal annual payments of $10,000, with the first payment due one year from now. What interest rate would you pay on that loan? The interest rate you would pay on the loan is \%. (Round to two decimal places.)