Shanken Corp. issued a 30-year, 9 percent semiannual bond 4 years ago. The bond currently sells for 106 percent of its face value. The company's tax rate is 32 percent. Requirement 1: What is the pretax cost of debt? (Do not include the percent sign (%). Round your answer to 2 decimal places. (e.g., 32.16)) Pretax cost of debt 1% Requirement 2: What is the aftertax cost of debt? (Do not include the percent sign (%). Round your answer to 2 decimal places. (e.g., 32.16)) Aftertax cost of debt % Requirement 3: Which is more relevant, the pretax or the aftertax cost of debt? (Click to select)