(1 point) (Exercise 3.32 ) a) Find the present value of an annuity-immediate which pays 1 at the end of each half-year for 8 years, if the rate of interest is 6.9% convertible semiannually for the first 5 years and 8.9% convertible semiannually for the last 3 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 8 years, if all payments in the first 5 years are discounted at a nominal interest rate 6.9% convertible semiannually and all payments in the last 3 years are discounted at a nominal interest rate 8.9% convertible semiannually. ANSWER (round off to three decimal digits)= Note: You can earn partial credit on this problem. You have attempted this problem 1 time. Your overall recorded score is 0%. You have unlimited attempts remaining