A firm has $3 million in outstanding 10-year bonds, with a fixed rate of 8 percent ( assume annual payments). The bonds trade at a price of $92 per $100 par in the open market. The firm’s marginal tax rate is 35 percent. What is the after-tax component cost of debt to be used in the weighted average cost of capital (WACC) calculations（）
A. 9.89%.
B. 6.02%.
C. 9.26%.
