The answer 23.59 is wrong

A $1,000 par value bond with Four years left to maturity pays an interest payment semiannually with a 9 percent coupon rate and is priced to have a 8.2 percent yield to maturity. If interest rates surprisingly increase by 0.5 percent, by how much would the bond's price change? (Do not round Intermedlate calculations. Round your answer to 2 declmal places. (e.g., 32.16)) decreased 23.50 Bond's price by