A bond has a Macaulay duration of 11.50 and is priced to yield 9.5%. If interest rates go up so that the yiold goes to to.0\%, what will be the percontage champe in the price of the bond? Now, if the yield on this bond goes down to 9%, what will be the bond's porcentage change in price? Comment on your. findings If interest rates go up to 10.0%, the percentago change in the price of the bond is \%. (Round to two decinal places.)