Bond A has a 10-year maturity, a 3.5% semi-annual coupon and a yield of 5%. Bond B has a 10-year maturity, a 3.8% semi-annual coupon and a yield of 5%. What must be true about the two bonds? A. Bond A is more valuable than bond B B. Bond B has greater default risk than bond A C. Bond A has greater default risk than bond B D. Bond A has greater interest-rate risk than bond B E. None of the above is necessarily true