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Cote Import has several bond issues outstanding, each making semiannual interest payments. The bonds are listed in the following table. Bond 1 2 Coupon Rate 7.00 % 8.50 Price Quote 103.46 110.78 110.13 103.03 Maturity 5 years 8 years 15.5 years 25 years Face Value $ 45,000,000 40,000,000 50,000,000 65,000,000 3 4 8.20 7.80 If the corporate tax rate is 34%, what is the after-tax cost of the company's debt? (Do not round intermediate calculations. Round the final answer to 2 decimal places.) Cost of debt O %