Given the original price of a 20-year bond with a par of 1,000 and a 8.0% coupon rate paid semi-annually is 923. If the yield of the bond rises 1% from the original, what is the impact on the price of the bond? a. Price changes (up or down) no more than 5% b. Prices go up by more than 5% but less than 10% c. Prices are down more than 5% but less than 10% d. Prices go up by more than 10% e . Prices are down by more than 10%