Which of the following statements is CORRECT? a. The current yield on Bond A exceeds the current yield on Bond B. Therefore, Bond A must have a higher yield to maturity than Bond B. b. If a coupon bond is selling at a discount, then the bond's expected capital gains yield is negative. c. If a coupon bond is selling at par, its current yield equals its yield to maturity. d. If a bond is selling at a discount, the yield to call is a better measure of the expected return than the yield to maturity. e. If a coupon bond is selling at a premium, then the bond's current yield is zero.