Chapter 11 ◼ The Cost of Capital 391
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Preferred Stock Component = $11,448,000 / $111,202,800 = 0.1029
Common Stock Component = $41,164,800/ $111,202,800 = 0.3702
WACC = 0.3702 × 14% + 0.1029 × 11% + 0.5269 × 7% = 10.0030%
Using Angela’s approach is better because it reflects current market values of the debt, common
stock, and preferred stock and thus is at the same point in time. The historical book values used
by Brad are a collection of values over the history of the company and thus represent values at
different points in time.
13. Adjusted WACC. Lewis runs an outdoor adventure company and wants to know what effect a
tax change will have on his company’s WACC. Currently Lewis has the following borrowing
pattern:
Equity: 35% and cost of 14%
Preferred Stock: 15% and cost of 11%
Debt: 50% and cost of 10% before taxes.
What is the adjusted WACC for Lewis if the tax rate is
a. 40%?
b. 30%?
c. 20%?
d. 10%?
e. 0%?
ANSWER
14. Adjusted WACC. Clark Explorers, Inc., an engineering firm, has the following capital
structure: