chapter 8 the cost of capital © 2005 thomson/south-western
DESCRIPTION
3 Required Rate of Return (Opportunity Cost Rate) The return that must be raised on invested funds to cover the cost of financing such investmentsTRANSCRIPT
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Chapter 8
The Cost of Capital
© 2005 Thomson/South-Western
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Cost of Capital
Firm’s average cost of funds, which is the average return required by firm’s investors
What must be paid to attract funds
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Required Rate of Return(Opportunity Cost Rate)
The return that must be raised on invested funds to cover the cost of financing such investments
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The Logic of the Weighted Average Cost of Capital = WACC
The use of debt impacts the ability to use equity, and vice versa.
The weighted average cost must be used to evaluate projects, regardless of the specific financing used to fund a particular project.
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Basic Definitions Capital Component
Types of capital used by firms to raise moneykd = before tax interest costkdT = kd(1-T) = after tax cost of debtkps = cost of preferred stockks = cost of retained earningske = cost of external equity (new
stock)
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Basic Definitions
WACC Weighted Average Cost of Capital
Capital StructureA combination of different types of capital (debt and equity) used by a firm
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After-Tax Cost of DebtThe relevant cost of new debtTakes into account the tax deductibility of interestUsed to calculate the WACC
kdT = bondholders’ required rate of return minus tax savings
kdT = kd - (kd x T) = kd(1-T)
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Cost of Preferred Stock Rate of return investors require on
the firm’s preferred stock The preferred dividend divided by
the net issuing price
)F1(P
D
costs FlotationP
D
NP
Dk
0
ps
0
pspsps
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sk̂ g
0P
1D̂
RP RF
ks
k
Cost of Retained Earnings
Rate of return investors require on the firm’s common stock
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The CAPM Approach
sRFk- MkRFksk ( )
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The Discounted Cash Flow Approach
Price and expected rate of return on a share of common stock depend on the dividends expected on the stock.
Can use when growth (g) is constant
g0
P1
D̂
sk̂
sk
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1214% 4% 10%
premium Risk yield Bond s
k
The Bond-Yield-Plus-Premium Approach
Estimating a risk premium above the bond interest rate
Judgmental estimate for premium“Ballpark” figure only
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13 g
F10P1D̂
gNP
1D̂ek
Cost of Newly Issued Common Stock
External equity, keBased on the cost of retained
earningsAdjusted for flotation costs (the
expenses of selling new issues)
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Target Capital Structure
Optimal Capital StructurePercentage of debt, preferred stock,
and common equity in the capital structure that will maximize the price of the firm’s stock
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sspspsdTd k
w
k
w
k
w
equitycommon
of Cost
equitycommon of
Proportion
stockpreferred
of Cost
stockpreferred of
Proportion
debt of cost
tax-After
debtof
Proportion
Weighted Average Cost of Capital, WACC
A weighted average of the component costs of debt, preferred stock, and common equity
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Marginal Cost of Capital
MCCCost of obtaining another dollar of
new capitalWeighted average cost of the last
dollar of new capital raised
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Marginal Cost of Capital
Marginal Cost of Capital ScheduleA graph that relates the firm’s
weighted average of each dollar of capital to the total amount of new capital raised
Reflects changing costs, depending on amounts of capital raised
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Marginal Cost of Capital (MCC) Schedule
Weighted Average Cost of Capital (WACC) (%)
100 150
New Capital Raised (millions of dollars)
11.5 -
11.0 -
10.5 -WACC1=10.5%
WACC2=11.0%
WACC3=11.5%
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Point structure capital in the capital of type thisof Proportiongiven type a of capitalcost lower ofamount TotalBreak
Break PointBP
The dollar value of new capital that can be raised before an increase in the firm’s weighted average cost of capital occurs
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Point structure capital in the capital of type thisof Proportiongiven type a of capitalcost lower ofamount TotalBreak
Break Point Formulas
BPdebt = debt/% debt BPret earn = retained earnings/% equity If the capital budget $ > breakpoint $,
the cost of capital will be at the next higher interest rate
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MCC ScheduleWeighted Average Cost of Capital (WACC) (%)
New Capital Raised (millions of dollars)
100 150
11.5 -
11.0 -
10.5 -WACC1=10.5%
WACC2=11.0%
WACC3=11.5%
BPRE BPDebt
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MCC Schedule
Schedule and break points depend on capital structure used.
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Combining the MCC and Investment Opportunity Schedules
Use the MCC schedule to find the cost of capital for determining projects’ net present values.
Investment Opportunity Schedule (IOS)Graph of the firm’s investment
opportunities ranked in order of the projects’ internal rate of return
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Optimal Capital Budget - $115
Combining the MCC and Investment Opportunity Schedules
New Capital Raised and invested (millions of dollars)
IRRC = 12.1%
IRRB = 11.7%IRRD = 11.5%
IRRE = 11.3%
IRRA = 10.2%
Percent
20 40 60 80 100 120 140 160
12.0 -
11.0 -
10.0 -
MCC
IOSWACC1=10.0%
WACC3=11.0%
WACC2=10.5%
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Before Next Class:
1.Review Chapter 82.Do chapter 8 homework3.Prepare for Chapter 8 quiz4.Read chapter 9