David Abbot is interested in purchasing a bond issued by Sony. He has obtained Before-tax cost of debt and after-tax cost of debt Personal Finance Problem the following information on the security: Sony Bond Par value $1000 Coupon interest rate 6.0% Cost 930 Years to maturity 10 Corporate tax rate 20% 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) % (Round to two decimal places