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) 6.400 Kenny Corp. (KCC) 7.220 Williams Co. (WICO) ?? Maturity Jan 15, 2033 Jan 15, 2030 Jan 15, 2036 Last Price 94.283 ?? 96.835 Last Yield ?? 6.22 6.47 EST $ Vol (000's) 57,372 48,951 43,812 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 %