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) 6.500 Maturity January 15, 2045 Kenny Corporation (KCC) 7.230 Williams Company (WICO) ?? January 15, 2039 January 15, 2041 Last Price Last Yield 94.315 ?? (000s) ?? 57,373 6.24 48,952 94.845 7.06 43,813 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 %