Which of the following statements is most correct? select one: a. if a bond sells for less than par, then its yield to maturity is less than its coupon rate. b. if a bond sells at par, then its current yield will be less than its yield to maturity. c. assuming that both bonds are held to maturity and are of equal risk, a bond selling for more than par with ten years to maturity will have a lower current yield and higher capital gain relative to a bond that sells at par. d. answers a and c are correct. e. none of the answers above is correct.