USE the following information to calculate the answers to the next few questions: If debt has a yield to maturity of 8 %, the firm is in a tax bracket of 40 %, preferred stock sells for $ 47 and pays 2.80 dividend. The firm is growing at a rate of 2 % and the common stock sells for 57 per share. A dividend was just paid (Do = $ 6).

A. Find the cost of preferred stock

B. Find the cost of common stock

C. If the firm uses weights as follows: Weight of debt = 60 %, weight of Preferred stock = 10 % and weight of common stock = 30 %, what is the weighted average cost of capital (WACC)?