Problem 13-20 Cost of Debt (L04) Micro Spinoffs Inc. issued 20-year debt a year ago at par value with a coupon rate of 5%, paid annually. Today, the debt is selling at $1,250. If the firm's tax bracket is 21%, what is its percentage cost of debt? Assume a face value of $1,000. (DO not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) Cost of debt