Which of the following statements is CORRECT? a If a 10-year, $1,000 par, zero coupon bond were issued at a price that gave investors a 10% yield to maturity, and if interest rates then dropped to the point where rd = YTM = 5%, the bond would sell at a premium over its $1,000 par value. b If a 10-year, $1,000 par, 10% coupon bond were issued at par, and if interest rates then dropped to the point where rd = YTM = 5%, we could be sure that the bond would sell at a premium above its $1,000 par value. c Other things held constant, a corporation would rather issue noncallable bonds than callable bonds. d Other things held constant, a callable bond would have a lower required rate of return than a noncallable bond. e Reinvestment rate risk is worse from an investor