please answer all):

(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 $27,067.81 that will pay them $3,500 per year for 15 years. They don't have the slightest idea what return they would be making on their investment of $27,067.81. 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 $25,000, which you will have to repay in 6 equal annual payments of $6,000, 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.) (Annuity number of periods) You've just bought a new flat-screen TV for $3,600 and the store you bought it from offers to let you finance the entire purchase at an annual rate of 12 percent compounded monthly. If you take the financing and make monthly payments of $110, how long will it take to pay off the loan? How much will you pay in interest over the life of the loan? a. The number of years it will take to pay off the loan is years. (Round to one decimal place.)