Choose the best response. The interest rate risk of a bond is Select one: O a. The risk related to the possibility of bankruptcy of the bond issuer. O b. The risk that arises from the possibility of reinvesting the coupon interest at lower rates. Oc. The risk related to how quickly an issue can be converted into cash. O d. Choices a, b, and c are ALL correct. e. None of choices a, b or c is correct