(1 point) (Exercise 3.31) The present values of the following three annuities are equal: (1) perpetuity-immediate paying 1 each year, calculated at an annual effective interest rate of 8.75%. (ii) 32-year annuity-immediate paying 1 each year, calculated at an annual effective interest rate of j%. (iii) n-year annuity-immediate paying 1 each year, calculated at an annual effective interest rate of (j 1)%. Calculate n. n =