hw help multiple choice questions

Which of the following types of annuity best describes the mortgage or rent that you have to pay at the beginning of each month? O a. Immediate annuity O b. Ordinary annuity Oc. Annuity in arrears Od. Annuity due Oe. Deferred annuity If Alvin invests $5,500 today in a savings account, the money will grow to $8,500 at the end of Year 4. Assuming that the interest is paid once per year, the effective annual rate of the investment is closest to a 10.82% b. 11.50% OC 12.20% Od. 12.85% O, 13.57% A leading bank is coming up with an investment that pays 8 percent interest compounded semiannually. The investment's effective annual rate (EAR) is closest to O a. 8.16% b.8.96% Oc8.76% Od 8.36% :8.56% Bill is considering investing $450 at the end of every month in a fixed income instrument. He will be receiving $27,000 at the end of 4 years. If the interest is compounded monthly what is the annual rate of return carned on the investment? Oa 22.25% Ob 15.07% O c. 11.0494 d. 13.58% e. 18.30%