At least one of the answers above is NOT correct. 1 of the questions remains unanswered. (1 point) (Exercise 3.32) a) Find the present value of an annuity-Immediate which pays 1 at the end of each hair-year for 6 years, if the rate of Interest is 5.5% convertible semiannually for the first 4 years and 11.3% convertible semiannually for the last 2 years ANSWER (round to 3 decimal places) b) Find the present value of an annuity-immediate which pays 1 at the end of each half-year for 6 years, if all payments in the first 4 years are discounted at a nominal interest rate 5.5% convertible semiannually and all payments in the last 2 years are discounted at a nominal interest rate 11.3% convertible semiannually. ANSWER (round off to three decimal digits)