Quantitative Problem: 5 years ago, Barton Industries issued 25-year noncallable, semiannual bonds with a $1,000 face value and a 5% coupon, semiannual payment ($25 payment every 6 months). The bonds currently sell for $894.87. If the firm's marginal tax rate is 25%, what is the firm's after-tax cost of debt? Do not round intermediate calculations. Round your answer to two decimal places. Quantitative Problem: Barton Industries can issue perpetual preferred stock at a price of $40 per share. The stock would pay a constant annual dividend of $3.42 per share. If the firm's marginal tax rate is 25%, what is the company's cost of preferred stock? Round your answer to two decimal places