i7. Which of the following is (are) true? a. if you expect interest rates to decrease you would prefer short term bonds over long term bonds. b. The interest on municipal bonds is subject to state, but not federal tax. c. If a bond's coupon interest rate is higher than the required return, the bond will sell at a discount. d. If the required return on a bond equals the coupon interest rate, the bond will sell at par e. both a and c are true