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 Last Last EST $ Vol (Ticker) Coupon Maturity Price Yield (000's) Xenon, Inc. (XIC) 7.100 Jan 15, 2040 94.353 ?? 57,379 Kenny Corp. (KCC) 7.290 Jan 15, 2037 ?? 6.36 48,958 Williams Co.(WICO) ?? Jan 15, 2043 96.905 6.61 43,819 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 %