estion 8 a. How long will it take to triple your money with an interest rate of 10 percent? b. On the advice of your broker ten years a go, you invested in a S6 stock that is now selling for $30. At what rate has your capital grown? Your father is about to retire. His a lump sum of $50,000 or an annuity of $8,000 for ten years. Which is worth more now, if the discount rate is (1)6%, (2) 18%? You are offered a $15,000 life insurance policy requiring thirty annual payments of $195 each. What is the compound value of the payments that you c. firm has given him the option of retiring with d. will have made after the policy is paid up, assuming that the discount rate is 10 percent