The Color Box uses a combination of common stock, preferred stock, and debt financing. The company wants preferred stock to represent 8 percent of the total financing. It also wants to structure the firm in a manner that will produce a weighted average cost of capital of 10.25 percent. The aftertax cost of debt is 5.1 percent, the cost of preferred is 9.3 percent, and the cost of common stock is 15.6 percent. What percentage of the firm's capital funding should be debt financing?