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.

Company $($Ticker$)$ Coupon Maturity Last Price Last Yield Estimated $ Volume $(000$s$)$

Xenon, Incorporated $($XIC$)6\mathrm{.}800$ January $15,204394\mathrm{.}351??$question mark $57,376$

Kenny Corporation $($KCC$)7\mathrm{.}260$ January $15,2037??$question mark $6\mathrm{.}3048,955$

Williams Company $($WICO$)??$question mark January $15,203994\mathrm{.}8757\mathrm{.}1243,816$

What is the coupon rate for the Williams Company bond?

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