You find the following corporate bond quotes. To calculate the number of years until maturity, assume that it is currently January 15, 2019. The bonds have a par value of $2,000 and semiannual coupons. Company (Ticker) Coupon Xenon, Inc. (XIC) 7.300 Kenny Corp. (KCC) 7.310 Williams Co. (WICO) ?? Maturity Jan 15, 2042 Jan 15, 2039 Jan 15, 2045 Last Price 94.373 ?? 96.925 Last Yield ?? 6.40 6.65 EST $ Vol (000's) 57,381 48,960 43,821 What is the coupon rate for the Williams Co. bond? (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) Coupon rate %