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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 Corporate tax rate 35% Par value $1000 Cost $890 Coupon interest rate 7.0% Years to maturity 10 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. a. The before-tax cost of the Sony bond using the bond's yield to maturity (YTM) is %. (Round to two decimal places.) b. The after-tax cost of the Sony bond given the corporate tax rate is %. (Round to two decimal places.)