Keys Printing plans to issue a $1,000 par value, 10-year noncallable bond with a 7,60% annual coupon, paid semiannually. The company's marginal tax rate is 40.00%, but Congress is considering a change in the corporate tax rate to 25.00%. By how much would the component cost of debt used to calculate the WACC change if the new tax rate was adopted? Do not round your intermediate calculations a 2.28% DO 6.1.14 c0.57% od 0.29% e 0.19%