A $1,000 face value corporate bond with a 6.5 %coupon (paid semiannually) has 15 years left to maturity. It has had a credit rating of BBB and a yield to maturity of 7.0%. The form has recently gotten into some trouble and the rating agency is downgrading the bonds to BB. The new appropriate discount rate will be 8.5%. What will be the change in the bond's price in dollars