Which of the following statements is most correct? Question 4 options:

A) If a bond's yield to maturity exceeds its annual coupon, then the bond will be trading at a premium.

B) If interest rates increase, the relative price change of a 10-year coupon bond will be greater than the relative price change of a 10-year zero-coupon bond.

C) If a coupon bond is selling at par, its current yield equals its yield to maturity.

D) If a bond's yield to maturity is less than its annual coupon, then the bond will be trading at a discount.

E) Both b and d are correct.