Chen Corporation issued $25-$year bonds two years ago at a coupon rate of $5\mathrm{.}6$ percent. The bonds make semiannual payments. If these bonds currently sell for $92$ percent of par value, what is the YTM$?$Note: Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$