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$)6\mathrm{.}200$ January $15,204294\mathrm{.}279??$question mark $57,370$

Kenny Corporation $($KCC$)7\mathrm{.}200$ January $15,2036??$question mark $6\mathrm{.}1848,949$

Williams Company $($WICO$)??$question mark January $15,203894\mathrm{.}8157\mathrm{.}0043,810$

What is the coupon rate for the Williams Company bond?