6. A bond that you held to maturity had a realized return of 8%, but when you bought it, it had an expected return of 6%. If no default occurred, which one of the following must be true? A) The bond was purchased at a premium to par B) The coupon rate was 8% C) The required return was greater than 6% D) The coupons were reinvested at a higher rate than expected E) The bond must have been a zero coupon bond