You find the following corporate bond quotes. To calculate the number of years until maturity, assume that it is currently January $15,2022.$ The bonds have a par value of $$2,000$ and semiannual coupons.

$\backslash$table$[[,,,$Estimated$],[$Company $($Ticker$),$Coupon,Maturity,Last Price Last Yield,Volume,$],[$Xenon$,$ Incorporated $($XIC$),7\mathrm{.}20,$January $15,2039,94\mathrm{.}399,??,57,380],[$Kenny Corporation $($KCC$),7\mathrm{.}30,$January $15,2033,??,6\mathrm{.}38,48,959],[$Williams Company $($WICO$),??,$January $15,2035,94\mathrm{.}915,7\mathrm{.}20,43,820]]$

What is the yield to maturity for the bond issued by Xenon, Incorporated?

Note: Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$

Yield to maturity