Which of the following statements about bond is incorrect? A. The relationship between bond prices and yields to maturity is convex. B. For a premium bond, the coupon rate is greater than yield to maturity. C. Long-term bonds tend to be more price sensitive than short-term bonds D. Yield to maturity assumes that all bond coupons can be reinvested at the same level of yield to maturity. E. Interest rate risk is positively related to the bond's coupon rate