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Individual costs and WACC Humble Manufacturing is interested in measuring its overall cost of capital. The firm is in the 40% tax bracket. Current investigation has gathered the following data:

Debt The firm can raise debt by selling $1,000-par-value, 10% coupon interest rate, 10-year bonds on which annual interest payments will be made. To sell the issue, an average discount of $30 per bond must be given. The firm must also pay flotation costs of $20 per bond.

Preferred stock The firm can sell 11% (annual dividend) preferred stock at its $100-per-share par value. The cost of issuing and selling the preferred stock is expected to be $4 per share.

Common stock The firms common stock is currently selling for $80 per share. The firm expects to pay cash dividends of $6 per share next year. The firms dividends have been growing at an annual rate of 6%, and this rate is expected to continue in the future. The stock will have to be underpriced by $4 per share, and flotation costs are expected to amount to $4 per share.

Retained earnings The firm expects to have $225,000 of retained earnings available 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 individual cost of each source of financing. (Round to the nearest 0.1%.)

b. Calculate the firms weighted average cost of capital using the weights shown in the following table, which are based on the firms target capital structure proportions. (Round to the nearest 0.1%.)

Source of capital	Weight
Long-term debt	40%
Preferred stock	15
Common stock equity	45
Total	100%

c. In which, if any, of the investments shown in the following table do you recommend that the firm invest? Explain your answer. How much new financing is required?

Investment	Expected rate	Initial
opportunity	of return	investment
A	11.2%	$100,000
B	9.7	500,000
C	12.9	150,000
D	16.5	200,000
E	11.8	450,000
F	10.1	600,000
G	10.5	300,000