Use the following data for the next 5 questions: Debt 64,000 bonds with a 5.0% coupon rate, payable annually, 15 years to maturity, selling at $1,050 per bond. Common Stock 550,000 shares of common stock outstanding. The stock sells for a price of $75 per share and has a beta of 0.66. Preferred Stock 110,000 preferred shares outstanding, currently trading at $69.55 per share; with an annual dividend payment of $6.82, Market The market risk premium is 19% and the risk free rate is 7% Tax Rate 28% What is the after tax cost of debt (Rd)? (Answer as a percentage and round to 2 decimals)