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. Estimated $ Volume Company (Ticker) Coupon Xenon, Incorporated (XIC) 6.600 Kenny Corporation (KCC) 7.240 Williams Company (WICO) ?? Maturity January 15, 2045 January 15, 2039 January 15, 2041 Last Price Last Yield 94.327 ?? (000s) ?? 57,374 6.26 48,953 94.855 7.08 43,814 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., 32.16. Coupon rate %