Which of the following statements is correcct?

A. a. All else equal, a 1-year bond will have a higher (i.e., better) bond rating than a 20-year bond.

B. b. A 20-year bond with semiannual interest payments has higher price risk (i.e., interest rate risk) than a 5-year bond with semiannual interest payments.

C. c. 10-year zero coupon bonds have higher reinvestment rate risk than 10-year, 10 percent coupon bonds.

D. d. If a callable bond is trading at a premium, then you would expect to earn the yield-to-maturity.

E. e. Statements a and b are correct.