12. What does the dollar value of an 01 refer to? O A. The change in a bond's yield caused by a one basis point change in its price O B. The change in a bond's duration caused by a one basis point change in its price O C. The change in a bond's price caused by the change in yield to maturity of one basis point OD. The change in a bond's duration caused by the change in yield to maturity of one basis point Mark for review (Will be highlighted on the review page)