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$[[$Company $($Ticker$),$Coupon,Maturity,Last Price Last Yield,$],[$Xenon$,$ Incorporated $($XIC$),6\mathrm{.}700,$January $15,2044,94\mathrm{.}339,??],[$Kenny Corporation $($KCC$),7\mathrm{.}250,$January $15,2038,??,6\mathrm{.}28],[$Williams Company $($WICO$),??,$January $15,2040,94\mathrm{.}865,7\mathrm{.}10]]$

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$.,32\mathrm{.}16.$

Coupon rate $$

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