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) 7.200 Kenny Corporation (KCC) 7.300 Williams Company (WICO) ?? Maturity January 15, 2039 January 15, 2033 January 15, 2035 Last Price Last Yield 94.399 ?? (000s) ?? 57,380 6.38 48,959 94.915 7.20 43,820 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 %