4 The capital structure for the Bias Corporation is provided below. The company plans to maintain its debt structure in the future. If the firm has a 5.14% after-tax cost of debt, a 9.8% cost of preferred stock, and a 14% cost of common stock, what is the firm's weighted cost of capital? Capital Structure (5000) Bonds Preferred stock Common stock $1,225 340 4,875 $6,440