Micro Spinoffs, Inc., issued 20-year debt one year ago at par value carrying a coupon
rate of 8 percent (payable annually). Today, the debt is selling at $1,050. If the firm's
tax bracket is 35 percent, what is the after-tax cost of debt for Micro Spinoffs?
the solution is in an excel file that uses excel built-in formula for the calculation of the cost of debt, as well as the After-tax cost of debt