Before-tax cost of debt and after-tax cost of debt Personal Finance Problem David Abbot is interested in purchasing a bond issued by Sony. He has obtained the following information on the security: Sony Bond Coupon interest rate 6.0% Years to maturity 10 Corporate tax rate 30% Par value $1000 Cost $910 Answer the following questions: a. Calculate the before-tax cost of the Sony bond using the bond's yield to maturity (YTM). b. Calculate the after-tax cost of the Sony bond given the corporate tax rate. % (Round to two decimal a. The before tax cost of the Sony bond using the bond's yield to maturity(YTM) is places.) The after-tax cost of the Sony bond given the corporate tax rate is % Round to two decimal places. b