Which of the following statements is false? a. when market yields rise, the price of discount bonds fall further below par or face value. b. when market yields rise, the price of long-term bonds fall by a greater percent than short-term bonds. c. when market yields rise, the price of bonds with small coupons fall by a greater percent than those with large coupons. d. when market yields rise, investors redeem or 'call' the callable bonds they own, forcing the issuer of the bond to pay at least the face value.