Calculation of individual costs and WACC Lang Enterprises is interested in measuring its overall cost of capital. Current investigation has gathered the following data. The firm is in the 25% tax bracket. Debt The firm can raise debt by selling $1,000-par-value, 4% coupon interest rate, 20-year bonds on which annual interest payments will be made. To sell the issue, an average discount of $35 per bond would have to be given. The firm also must pay flotation costs of $15 per bond. Preferred stock The firm can sell 7.5% preferred stock at its $95-per-share par value. The cost of issuing and selling the preferred stock is expected to be $7 per share. Preferred stock can be sold under these terms.Common stock The firm's common stock is currently selling for $90 per share. The firm expects to pay cash dividends of $6.5 per share next year. The firm's dividends have been growing at an annual rate of 9%, and this growth is expected to continue into the future. The stock must be underpriced by $7 per share, and flotation costs are expected to amount to $6 per share. The firm can sell new common stock under these terms. Retained earningsWhen measuring this cost, the firm does not concern itself with the tax bracket or brokerage fees of owners. It expects to have available

$140,000 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.

a.Calculate the after-tax cost of debt.

b.Calculate the cost of preferred stock.

c.Calculate the cost of common stock.

d.Calculate the firm's weighted average cost of capital using the capital structure weights shown in the following table, (Round answer to the nearest 0.01%)

Source of capital	Weight
Long-term debt	35	%
Preferred stock	10
Common stock equity	55
Total	100	%

For part a I need to find the the after cost of debt using the bonds yield to maturity

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