Which of the following statements regarding callable bonds is correct? O A callable bond obligates the issuer to redeem the bond at a predetermined price before the bond matures. O A callable bond helps bondholders to protect themselves against a decline in interest rates. None of the other statements are correct. O A callable bond with 10-year call protection period, in general, will be traded at a price higher than an otherwise identical callable bond but with 5-year call protection period