Abond vas a Macaulay duration of 10 50 and is priced to yield 85% interest rates go up so that the yield goes to 9.0%, what will be the percentage change in the poice of the bond? Now, if the yield on this bond goes down to 8%, what will be the bond's percentage change in price? Comment on your findings it interest rates go up to 90% the percentage change in the price of the hond s % (Round to two decimal places)