8. cost of capital
TRANSCRIPT
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Financial Management I
8. Cost of Capital
Dr. Suresh
Phone: 40434399, 25783850
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Course Content - Syllabus
*Book reference
Sr Title ICMR Ch. PC Ch. IMP Ch.
1 Introduction to Financial Management 1* 1 12 Overview of Financial Markets 2* 2 -3 Sources of Long-Term Finance 10* 17 20, 214 Raising Long-term Finance - 18* 20, 21, 235 Introduction to Risk and Return 4* 8, 9 4, 56 Time Value of Money 3* 6 27 Valuation of Securities 5* 7 38 Cost of Capital 11* 14 99 Basics of Capital Expenditure
Decisions 18* 11 810 Analysis of Project Cash Flows - 12* 10, 11
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Cost of Capital
Reference Books
1. Financial Management, ICMR Book, Chapter 11
2. Financial Management, Prasanna Chandra, 7th
Edition,
Chapter 14
3. Financial Management, I. M. Pandey, 9th Edition,
Chapter 9
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SyllabusCost of Capital
1. Concept and Importance
2. Cost of Debenture
3. Term Loans
4. Equity Capital and Retained Earnings
5. Calculation of Weighted Average Cost of Capital
6. Weighted Marginal Cost of Capital Schedule
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1. Concept and Importance
Major components of capital are equity, preference anddebt. Let us find out the costs of these various types of
finances. Capital has a cost. Various sources of capital
has varied costs and implications.
Companys cost of capital is weighted average cost of
various sources of finance that a company uses e. g.
equity, preference, debentures, term loans, retained
earnings etc.
Cost of capital is used for evaluating projects, determining
capital structure etc.
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1. Concept and Importance
Suppose a company uses equity, preference and debt inproportions of 50, 10 and 40. If the cost of these
components is 16%, 12% and 8% resp.
Then weighted average cost of capital (WACC) will be
= Proportion of equity x cost of equity +
proportion of preference x cost of preference +proportion of debt x cost of debt
= 0.5 x 16 + 0.10 x 12 + 0.40 x 8
= 12.4%
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2. Cost of Debenture
Cost of debenture is defined as the discount rate which
equates the net proceeds from issue of debentures to the
expected cash outflows in the form of interest and
principle repayments, i. e.
(1)
Where, kd = post-tax cost of debenture capital
I =annual interest payment per debenture capitalt = corporate tax rate
F = redemption price per debenture
P = net amount realized per debenturen = maturit eriod
nd
n
1tt
d )k(1
F
)k(1
t)-I(1P
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2. Cost of Debenture
Interest payment I is multiplied by factor (1-t) because
interest on debt is a tax-deductible expense and only post
tax costs are considered.
Same formula can be used for different types of debt
instruments such as bank loans and commercial paper.
Computation of kd requires a trial-and-error method.
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2. Cost of Debenture
Example: A company issued a debenture of Rs. 100 face
value, 14% interest rate p.a. The debenture is
redeemable at a premium of 5% after 10 years.
Company realizes Rs. 97 per debenture and the
corporate tax rate is 50%. Calculate the cost of thisdebenture to the company.
Solution
nd
n
1tt
d )k(1
F
)k(1
t)-I(1P
10d
10
1tt
d )k(1
5100
)k(1
0.5)-14(197
10d
10
1tt
d )k(1
105
)k(1
797
(kd,10)(kd,10) PVIFx105PVIFAx797
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2. Cost of Debenture
To find out the value of kd
in the above equation, several
values of kd will have to be tried out in order to reach the
input value. Therefore to start, consider a discount rate
of 8% for kd. The expression becomes
Rs. 7 x PVIFA(8%,10yrs)+ Rs.105 x PVIF(8%,10yrs)
= Rs. 7 x 6.71 + Rs. 105 x 0.463
= Rs. 95.585
Since the above value is less than Rs. 97 realized price, we
have to try with a less discounting rate kd
. So let kd
=
7% then
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2. Cost of Debenture
Rs. 7 x PVIFA(7%,10yrs)
+ Rs.105 x PVIF(7%,10yrs)
= Rs. 7 x 7.024 + Rs. 105 x 0.508
= Rs. 102.508
From above, it is clear that kd lies between 7% and 8%.
We have to use linear interpolation between 7% and 8%.
= 7 + 0.796 = 7.796
Yield to maturity is 7.796%
95.585-102.50897-102.508x)7(87kd
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2. Cost of Debenture
By computer Excel
In Excel, put all values of cash flows including initial
outflow with minus sign in a row or column e. g.-95 7 7 7 7 7 7 7 7 7 112
Then use the formula
=irr(values)
e. g.
=irr(a1:k1)
You get the answer as 7.791%
(kd,10)(kd,10) PVIFx105PVIFAx797
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3. Term Loans
Cost of term loans will be simply equal to the interest ratemultiplied by (1 - tax rate). The interest is multiplied by
(1tax rate) as interest on term loans is also tax
deductible.
Where, kt = post-tax cost of term loansI = interest rate
t = corporate tax rate
t)(1Ikt
2 C f P f C i l
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2. Cost of Preference Capital
Preference capital carries a fixed rate of dividend and isredeemable on maturity period. Preference stock is
much like a bond with fixed commitments, however
preference dividend is not a tax-deductible expense andhence does not produce any tax savings.
Cost of redeemable preference share is defined as that
discount rate which equates the proceeds from
preference capital issue to the payments associated with
the same i.e. dividend payment and principle payments,
i. e.
2 C f P f C i l
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2. Cost of Preference Capital
(1)
Where, kp = cost of preference capital
D = preference dividend per share payable
annually
F = redemption price
P = net amount realized per share
n = maturity period
np
n
1tt
p )k(1
F
)k(1
DP
2 C f P f C i l
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2. Cost of Preference Capital
Example: A company has issued preference shares with
face value Rs. 100 and carrying a dividend rate of 14%
p.a. The preference shares are redeemable after 12 years
at par. If the net amount realized per share is Rs. 95,
calculate the cost of preference capital.
Solution:
np
n
1tt
p )k(1
F
)k(1
DP
12p
12
1tt
p )k(1
100
)k(1
1495
(kp,12)(kp,12) PVIFx100PVIFAx1495
2 C t f P f C it l
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2. Cost of Preference Capital
To find out the value of kd
in the above equation, several
values of kd will have to be tried out in order to reach the
input value. Therefore to start, consider a discount rate
of 15% for kd. The expression becomes
Rs. 14 x PVIFA(15%,12yrs)+ Rs.100 x PVIF(15%,12yrs)
= Rs. 14 x 5.421 + Rs. 100 x 0.187
= Rs. 94.594
Since the above value is less than Rs. 95 realized price, we
have to try with a less discounting rate kd
. So let kd
=
14% then
2 C t f P f C it l
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2. Cost of Preference Capital
Rs. 14 x PVIFA(14%,12yrs)+ Rs.100 x PVIF(14%,12yrs)
= Rs. 14 x 5.66 + Rs. 100 x 0.208
= Rs. 100.04
From above, it is clear that kd lies between 14% and 15%.
We have to use linear interpolation between 14% and
15%.
= 14 + 0.93 = 14.93
Yield to maturity is 14.93 %
94.594-100.04
95-100.04x14)-(1514kd
4 E it C it l d R t i d E i
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4. Equity Capital and Retained Earnings
Cost of equity Capital
Rate of return required by the equity share holders i.e.
cost of equity is difficult to estimate. Because there is no
definite commitment from the firm to pay dividends, nor
specified by any legal contract, unlike in the case ofdebenture holders.
However we come up with reasonably good estimates of
the cost of equity by employing some basic principles.Several approaches are used for estimating cost of equity
such as dividend forecast approach, capital asset pricing
model, realized yield approach, earnings-price ratio
approach and bond yield plus risk premium approach.
4 E it C it l d R t i d E i
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4. Equity Capital and Retained Earnings
Dividend forecast approach
According to this approach, the present value or intrinsic
value of an equity stock is equal to the sum of present
values of dividends associated with it, i.e.
(2)
Where, Pe = price per equity shareDt = expected dividend per share at the end of
year one
ke = rate of return required by the equity
shareholders or the cost of equity capital
1tt
e
te
)k(1
DP
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4. Equity Capital and Retained Earnings
In practice, the model suggested in equation (2) cannot beused in its present form because it is not possible to
forecast the dividend stream completely over the life of
the company. Therefore the growth in dividends can be
categorized as nil growth or constant growth or super
normal growth. Equation (2) can be modified
accordingly. For instance, assuming a constant growth
rate (g) in dividends, equation (2) can be simplified as
(3)
This model is called Gordons model.
gk
DP
e
1e
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4. Equity Capital and Retained Earnings
If the current market price of share is given as Pe, valuesof D1 and g are known, then the equation (3) can be
written as
(4)
Example: Share price of a company is Rs. 125. The
dividend expected a year hence is Rs. 12 and the
dividends are expected to grow at a constant rate of 8%
per annum. Calculate the cost of equity capital of the
company
Solution: 17.6%or0.1760.08125
12kgP
Dk e
e
1
e
gP
D
k e
1e
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4. Equity Capital and Retained Earnings
Realized Yield ApproachAccording to this approach, past returns on a stock are
taken as proxy for returns in the future by the investors.
Realized return over n year period is calculated as
Where Wt = wealth ratio, calculated as
Dt = dividend per share for year t payable at the
end of year
Pt = price per share at the end of year t
n....32,1,tand
P
PD
1-t
tt
gP
Dk
e
1e
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4. Equity Capital and Retained Earnings
Example: Calculate the cost of equity by Realized YieldApproach for the data given below. Price per share at
the beginning of the year 1 is Rs. 10.
Solution: Wealth ratios are
Realized yield = (1.35 x 1.08 x 1.23)1/3 -1
= 0.2149 or 21.49%
Year 1 2 3
DPS (dividend per share) Rs. 1.5 2 1.5
Price per share at the end of the year 12 11 12
Year 1 2 3
Wealth ratio 1.35 1.08 1.23
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4. Equity Capital and Retained Earnings
Capital Asset Pricing Model (CAPM) ApproachThis is a popular approach for estimating the cost of
equity. According to this approach, the cost of equity is
calculated as
Where ki = rate of return required on equity or the cost
of equity
Rf= risk free rate of return
i = beta of security i
Rm = rate of return on market portfolio
)R(RRk fmifi
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4. Equity Capital and Retained Earnings
Example: Consider a risk free rate of return as 6%, rate ofreturn on market portfolio as 12% and value of beta for
a stock as 1.2. Calculate the cost of equity.
Solution
According to CAPM approach, the cost of equity is
ki = 6 + 1.2 (126)
= 6 + 7.2
= 13.2 %
)R(RRk fmifi
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4. Equity Capital and Retained Earnings
Bond Yield Plus Risk Premium Approach
According to this approach, return required by the
investors is based on risk profile of a company. Risk
profile is adequately reflected in the return earned by the
bondholders or debt. Since the risk borne by the equity
investors is higher than the bondholders or debt, the
return expected by equity holders is also higher. Hence
this return is calculated as
Cost of equity = Yield on long term bonds of thecompany + Risk premium
Risk premium based on operating and financial risks of
the company and it is a subjective figure normally rangesbetween 2% and 6%.
4 Equity Capital and Retained Earnings
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4. Equity Capital and Retained Earnings
Earnings Price Ratio ApproachAccording to this approach, cost of equity is equal to
Where E1 = expected EPS for the next year
P0 = current market price per share
E1 can be estimated by multiplying current EPS by
(1+ growth rate)
0
1
P
E
4 Cost of Retained Earnings and Cost of
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4. Cost of Retained Earnings and Cost ofExternal Equity
Cost of Retained EarningsEarnings of a firm can be reinvested or paid as dividends
to shareholders. If the firm retains part of its earnings
for future growth of the firm, the shareholder will
demand compensation from the firm for using that
money. As a result, the cost of retained earnings
represents a shareholders expected returns from the
firms common stock. Thus the firms cost of retainedearnings is equal to the cost of equity capital i.e.
Cost of retained earnings is always less than the cost of new
issue of common stock due to absence of floatin costs.
er kk
4 Cost of Retained Earnings and Cost of
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4. Cost of Retained Earnings and Cost ofExternal Equity
Cost of External EquityCost of external equity includes certain floatation costs
involved in the process of raising equity from the
market. It is the rate of return required by the equity
holders or the cost of equity on the net funds raised.With the dividend capitalization model, following
formula is used for calculating the cost of external equity.
Method 1
Where ke = cost of external equity
f = floatation costs as a % of current market price
g = constant growth rate applicable to dividends
D1
= dividend expected at the end of year1
P = current market rice er share
g
f)(1P
Dk
0
1e
'
4 Cost of Retained Earnings and Cost of
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4. Cost of Retained Earnings and Cost ofExternal Equity
Cost of External Equity
For all other approaches, there is no particular method
for accounting for the floatation costs. Following formula
can be used as an approximation in such cases
Where ke = cost of external equity
ke = rate of return required by the equity holders
f = floatation costs as a % of current market price
f)(1
kk
ee
'
5 Calculation of Weighted Average Cost of
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5. Calculation of Weighted Average Cost ofCapital
Weighted Average Cost of Capital (WACC) is calculatedby multiplying the specific cost of each source of
financing by its proportion in the capital structure and
adding these weighted values. WACC is calculated for
various components of capital such as equity, preference,debentures, term loans, retained earnings etc. depending
on their proportions and their cost of capital values.
Where We, Wp, Wd, Wt and Wr are the weights or the
proportions of equity, preference, debentures,
term loan and retained earnings resp.
ke, k , kd, kt and kr are the corresponding costs
rrttddppee kWkWkWkWkWWACC
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5. Calculation of Weighted Average Cost ofCapital
Example: A company has a following capital structure
Market price per equity share is Rs. 25. Next expected dividend
per share is Rs. 2 and DPS is expected to grow at a constant
rate of 8%. Preference shares are redeemable after 7 years at
par and are currently quoted at Rs. 75 per share. Debentures
are redeemable after 6 years at par and their current market
price is Rs. 90 per share. Tax rate is 50%. Calculate WACC.
Capital Rs. In lakhs
Equity capital (10 lakh shares at par value) 100
12% Preference capital (10,000 shares at par value) 10
Retained earnings 120
14% Non-convertible Debentures (70,000 debentures at par) 70
14% term loan from SFC 100
Total 400
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5. Calculation of Weighted Average Cost ofCapital
SolutionWe will adopt a three step procedure to solve this
problem
Step 1: Determine the costs of various sources of finance.
We shall define symbols ke, kr, kp, kd and kt to denote the
costs of equity, retained earnings, preference capital,
debentures and term loans resp.
Cost of equity
Cost of retained earnings
gPDk
0
1e
16%or0.160.0825
2
16%or0.16kk er
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5. Calculation of Weighted Average Cost ofCapital
To find out the value of kp
By trial-and-error method, start kp = 19%, the
expression becomes
Rs. 12 x PVIFA(19%,7yrs)+ Rs.100 x PVIF(19%,7yrs)
= Rs. 12 x 3.706 + Rs. 100 x 0.296 = Rs. 74.072
Next, try k = 18%, then
np
n
1tt
p )k(1
F
)k(1
DP
7p
7
1ttp )k(1
100
)k(1
12
75
(kp,7)(kp,7) PVIFx100PVIFAx1275
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5. Calculation of Weighted Average Cost ofCapital
Rs. 12 x PVIFA(18%,7yrs)+ Rs.100 x PVIF(18%,7yrs)
= Rs. 12 x 3.812 + Rs. 100 x 0.314 = Rs. 77.144
kp lies between 19% and 18%.
By linear interpolation between 19% and 18%.
= 18 + 0.70 = 18.70 %
74.072-77.144
75-77.144x)18(1918kp
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5. Calculation of Weighted Average Cost ofCapital
To find out the value of kd
By trial-and-error method, start kp = 10%, the
expression becomes
Rs. 7 x PVIFA(10%,6yrs)+ Rs.100 x PVIF(10%,6yrs)
= Rs. 7 x 4.355 + Rs. 100 x 0.564 = Rs. 86.885
Next, try k = 9%, then
nd
n
1tt
d )k(1
F
)k(1
t)-I(1P
6d
6
1tt
d )k(1
100
)k(1
0.5)-14(1
90
(kd,6)(kd,6) PVIFx100PVIFAx790
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5. Calculation of Weighted Average Cost ofCapital
Rs. 7 x PVIFA(9%,6yrs)+ Rs.100 x PVIF(9%,6yrs)
= Rs. 7 x 4.486 + Rs. 100 x 0.596 = Rs. 91.002
kd lies between 10% and 9%.
By linear interpolation between 10% and 9%.
= 9 + 0.24 = 9.24 %
Cost of term loan kt = 0.14 (1-0.5) = 0.07 or 7%
86.885-91.002
90-91.002x)9(109kp
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5. Calculation of Weighted Average Cost ofCapital
Step 2: Determine weights associated with various sources
of finance. Let We, Wr, Wp, Wd and Wt represent the
weights of various sources of finance.
25.0400100We
025.040010Wp
30.0400
120Wr
175.0400
70Wd
25.0100Wt
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5. Calculation of Weighted Average Cost ofCapital
Step 3: Multiply the costs of various sources of finance
with corresponding weights and add these weighted costs
to determine WACC.
ttddpprree kWkWkWkWkWWACC
0.187x0.0250.16x0.300.16x0.25
0.07x0.250.0924x0.175
12.63%or0.1263
6 Weighted Marginal Cost of Capital
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6. Weighted Marginal Cost of CapitalSchedule
WACC tends to rise as the firm seek more and more
capital. As the suppliers provide more capital, the rate
of return required by them tends to increase. A schedule
(Table) or a graph showing the relationship between
additional financing and the WACC is called the
weighted marginal cost of capital schedule.
Determining Weighted Marginal Cost of Capital Schedule
The procedure involves following steps
1. Estimate the cost of each source of finance for
various levels of its use
6. Weighted Marginal Cost of Capital
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6. Weighted Marginal Cost of CapitalSchedule
2. Identify the levels of new financing at which the cost
of new components would change, as per capital
structure policy of the firm (ratios of different
sources of finance). These levels called the breaking
points and they can be calculated asBreaking point on account of financing source i =
3. Calculate the WACC for various ranges of totalfinancing between the breaking points
4. Prepare the weighted marginal cost of capital
schedule which reflects the WACC for each level of
total new financing
structurecapitalin theisourcefinancingofProportion
pointberakingat theisourcefromfinancingnewTotal
6. Weighted Marginal Cost of Capital
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6. Weighted Marginal Cost of CapitalSchedule
Example: A company is planning to raise equity, preference
and debt capital in the following proportions:Equity : 0.50Preference : 0.20Debt : 0.30
The costs of the three sources of finance for different levels ofusage has been estimated as below
Source of FinanceRange of new financing from the source
(Rs. In lakh)Cost %
Equity 015 16
1525 1725 and above 18
Preference 03 14
3 and above 15
Debt 020 8
20 and above 10
6. Weighted Marginal Cost of Capital
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6. Weighted Marginal Cost of CapitalSchedule
Calculation of Breaking Point
Source of
Finance
Cost
%
Range of new
financing from the
source (Rs. In lakh)
Breaking Point
(Rs. in lakh)
Range of total
new financing
(Rs. in lakh)
Equity 16 015 15 / 0.5 = 30 030
17 1525 25 / 0.5 = 50 3050
18 25 and above - 50 and above
Preference 14 03 3 / 0.2 = 15 015
15 3 and above - 15 and above
Debt 8 020 20 / 0.3 = 66.67 066.67
10 20 and above - 66.67 and above
6. Weighted Marginal Cost of Capital
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6. Weighted Marginal Cost of CapitalSchedule
Calculation of WACC for various ranges of total new financing
Range of totalnew financing(Rs. in lakh)
Source offinance
ProportionCost%
WeightedCost %
WACC
015 Equity 0.5 16 8
13.2Preference 0.2 14 2.8
Debt 0.3 8 2.4
1530 Equity 0.5 16 8
13.4Preference 0.2 15 3
Debt 0.3 8 2.4
3050 Equity 0.5 17 8.5
13.9Preference 0.2 15 3
Debt 0.3 8 2.45066.67 Equity 0.5 18 9
14.4Preference 0.2 15 3
Debt 0.3 8 2.4
66.67 and above Equity 0.5 18 9
15Preference 0.2 15 3
Debt 0.3 10 3
6. Weighted Marginal Cost of Capital
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6. Weighted Marginal Cost of CapitalSchedule
Weighted Marginal Cost of Capital Schedule
Range of Total New Financing
(Rs. In Lakh)
Weighted Marginal Cost of Capital
(%)
015 13.2
1530 13.4
3050 13.9
5066.67 14.4
66.67 and above 15