Find the duration of a bond with a settlement date of May 27,2023 , and maturity date November 15,2034 . The coupon rate of the bond is 6.5%, and the bond pays coupons semiannually. The bond is selling at a bondequivalent yield to maturity of 7.5\%. Use Spreadsheet 16.2. (Do not round intermediate calculations. Round your answers to 4 decimal places.)