?

Williams, Inc., is interested in measuring its overall cost of capital and has gathered the following data. Under the terms described as follows, the company can sell unlimited amounts of all instruments.
? Williams can raise cash by selling $1,000, 8%, 20-year bonds with annual interest payments. In selling the issue, an average premium of $30 per bond would be received, and the firm must pay flotation costs of $30 per bond. The after-tax cost of funds is estimated to be 4.8%.
? Williams can sell $8 preferred stock at par value, $105 per share. The cost of issuing and selling the preferred stock is expected to be $5 per share.
? Williams’ common stock is currently selling for $100 per share. The firm expects to pay cash dividends of $7 per share next year, and the dividends are expected to remain constant. The stock will have to be underpriced by $3 per share, and flotation costs are expected to amount to $5 per share.
? Williams expects to have available 100,000 of retained earnings in the coming year; once these retained earnings are exhausted, the firm will use new common stock as the form of common stock equity financing.
? Williams’ preferred capital structure is
Long-term debt 30%
Preferred stock 20%
Common stock 50%
If Williams, Inc., needs a total of 200,000, the firm’s weighted-average cost of capital would be