- Data Table (Click on the following icon o in order to copy its contents into a spreadsheet.) CAPITAL STRUCTURE ($000) Bonds $1,069 Preferred stock 265 Common stock 3,774 $5,108 Print Done (Weighted average cost of capital) The capital structure for the Carion Corporation is provided here: The company plans to maintain its debt structure in the future. If the firm has an after-tax cost of debt of 4.1 percent, a cost of preferred stock of 10.7 percent, and a cost of common stock of 18.1 percent, what is the firm's weighted average cost of capital? The firm's weighted average cost of capital is % (Round to two decimal places.)