a and f investment appraisal mdv tcm4-117031
TRANSCRIPT
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NATIONAL QUALIFICATIONS CURRICULUM SUPPORT
Accounting and
Finance
Investment Appraisal
Staff Development Materials
[ADVANCED HIGHER]
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This edition first published 2001
Electronic version 2001
Learning and Teaching Scotland 2001
This publication may be reproduced in whole or in part for educational purposes by
educational establishments in Scotland provided that no profit accrues at any stage.
Acknowledgement
Learning and Teaching Scotland gratefully acknowledge thi s contribution to the
Higher Still support programme for Accounting and Finance. The original writer
was John McDonagh, of the Institute of Chartered Accountants of Scotland, and the
publicat ion firs t appeared in 1993 in the Scot ti sh CCC series of staff d evelopmentmaterials for the Certificate of Sixth Year Studies.
ISBN 1 85955 894 1
Learning and Teaching Scotland
Gardyne RoadDundee
DD5 1NY
www.LTScotland.com
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ACCOUNTING AND FINANCE i i i
CONTENTS
Introduction iv
Section 1: Accounting Rate of Return (ARR) 1
Section 2: Payback 5
Section 3: Discounted Cash Flow 7
Section 4: Net Present Value (NPV) 9
Section 5: Internal Rate of Return (IRR) 13
Section 6: Profitability Index (PI) 18
Section 7: Advantages and Disadvantages of the Various Methods 19
Appendix: Discount Table 20
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iv ACCOUNTING AND FINANCE
INTRODUCTION
1. Investment appraisal is the technique used by management in deciding
how money will be spent (invested) on fixed assets. Investment
appraisal, also known as project appraisal, thus considers capital
expenditure. The possible relationships between projects are as
follows.
2. Mutually Exclusive
Projects may be mutually exclusive. This means that from a range of
alternatives the choice of one totally precludes the choice of another,
e.g. construction of a power station requires a decision on whether to
build one powered by nuclear or fossil fuel.
3. Projects may be Independent
From a given range of alternatives the decision taker may choose any
single project or combination of projects, or all of the projects.
4. Projects may be Dependent
Here the installation of a new machine may require substantial
alteration to the existing electrical system, or layout of the factory.
5. Method of Investment Appraisal
(a) Accounting Rate of Return
(b) Payback
(c) Net Present Value
(d) Internal Rate of Return(e) Profitabili ty Index
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ACCOUNTING RATE OF RETURN (ARR)
ACCOUNTING AND FINANCE 1
SECTION 1
1.1 The accounting rate of return compares as a percentage the average
profit flowing from the project (investment) with either
(a) the original capital expenditure incurred or
(b) the original capital expenditure averaged over the life of the
project .
1.2 Example 1
Firm X is considering the purchase of a machine which will cost
10,000. The machine will have a life of 5 years and be scrapped at theend of that time. It is estimated that the residual scrap value will be
zero. The cash inflows from the investment will be as follows.
Year Cash Inflow
1 6,000
2 4,000
3 4,000
4 3,000
5 1,000
18,000
The total cash flowing in from purchasing this machine is 18,000.
However, ARR deals with profit flowing from the project. It is,
therefore, essential to adjust cash flows to profit. In the absence of any
further information the following can be assumed to be the profits from
the purchase of the machine.
Year Cash Inflow Depreciation Profit
1 6,000 (2,000) 4,000
2 4,000 (2,000) 2,000
3 4,000 (2,000) 2,000
4 3,000 (2,000) 1,000
5 1,000 (2,000) (1,000)
The total profit, after allowing for depreciation, is 8,000.
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ACCOUNTING RATE OF RETURN (ARR)
2 ACCOUNTING AND FINANCE
A quicker means of arriving at the profit is to simply deduct the total cost of
the machine from the total cash flows resulting from the project.
e.g. Total Cash Inflows 18,000
Less Capital Cost 10,000
Profit 8,000
ARR = Average Profits
Original Capital Expenditure
Average Profits = 8,000 = 1,6005
ARR = 1,600 x 100 = 16%10,000
or
ARR = Average Profits
Original Capital Expenditure averaged over life of Project
ARR = 1,600 x 100 = 80%
2,000
The timing of the cash flows is never considered. Under ARR, profit rather
than cash flows is the criterion by which projects are appraised.
1.3 Example 2
Firm Y has the choice between Projects A and B.
Project A Project B
Capital Outlay 10,000 10,000
Cash Inflows Year 1 6,000 6,000Year 2 4,000 4,000
Year 3 3,000 6,000
Year 4 3,000
Year 5 1,000
Year 6 1,000
Both Project A and Project B require a capital outlay of 10,000 each.
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ACCOUNTING RATE OF RETURN (ARR)
4 ACCOUNTING AND FINANCE
1.4 Example 3
Firm Z
Project A Project B
Capital Outlay 5,000 5,000
Cash Inflows Year 1 5,000 1,000
Year 2 4,000 2,000
Year 3 3,000 3,000
Year 4 2,000 4,000
Year 5 1,000 5,000
Total Profits
Cash Inflows 15,000 15,000
Less Capital Outlay 5,000 5,000
10,000 10,000
ARR as percentage of Capital Outlay
2,000 x 100 2,000 x 100
5,000 1 5,000 1
= 40% 40%
Both Projects have the same ARR but if asked which was the better
Project, most people would select Project A, the reason being that it is
better to collect the large sums of money as soon as possible. In other
words, the timing of cash flows must have some relevance in
investment appraisal. However, ARR ignores the timing of such cash
flows and all s are treated as being equal.
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PAYBACK
ACCOUNTING AND FINANCE 5
SECTION 2
2.1 Payback represents an assessment of the time taken by a project to
recover in full the initial capital outlay. In other words it is the length
of time a project takes to pay for itself. The time taken for a project to
pay for itself is known as the Payback Period.
Payback is a popular method because of its simplicity. The length of
time that the capital is at risk is known. However, as with the
accounting rate of return, the actual timing of the cash flows is ignoredand there is a built-in discrimination in favour of short-term
investments. It should also be observed that cash flows afterthe
payback period are ignored.
2.2 Example
Project X Project Y
Cash Outlay 20,000 20,000
Cash Inflow Year 1 10,000 12,000
Year 2 6,000 8,000
Year 3 4,000 1,000
Year 4 4,000 1,000
Year 5 4,000
Year 6 4,000
Year 7 4,000
Calculation of the payback period is as follows.
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PAYBACK
6 ACCOUNTING AND FINANCE
Project X Project Y
Cash Outlay 20,000 20,000
Cash Inflows Annual Cumulative Annual Cumulative
Year 1 10,000 10,000 12,000 12,000
Year 2 6,000 16,000 8,000 20,000
Year 3 4,000 20,000 1,000 21,000
Year 4 4,000 24,000 1,000 22,000
Year 5 4,000 28,000
Year 6 4,000 32,000
Year 7 4,000 36,000
Time taken to
pay back Capital 3 Years 2 Years
The rule in investment appraisal as far as payback is concerned is that
the sooner a project pays for itself the better. Thus, if two projects are
mutually exclusive, the project with the shorter payback period is
considered to be the superior project. If the two project s above are
mutually exclusive then Project Y would be chosen. The shortcomings
of payback as a means of investment appraisal, however, should beimmediately apparent.
While it is true that Project Y does have a shorter payback period, cash
flows after the payback period are ignored. Some firms in the United
Kingdom have cut-off periods for project payback. The result of this is
that investments must pay for themselves within a certain period, e.g. 2
or 3 years. If a proposed project will take longer than the firms cut -off
period, then it will not be considered. Unlike ARR, payback does at
least consider cash flows and not profit.
Because of the shortcomings of methods which ignore the timing of
cash flows, attention should be turned to techniques which recognise
the concept of present value. Such methods use discounted cash flow
techniques and consist of the Net Present Value model and the Internal
Rate of Return model.
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DISCOUNTED CASH FLOW
ACCOUNTING AND FINANCE 7
SECTION 3
3.1 Assume you have 1.00 and inflation runs at 10% for 1 year. How
much will you pay in one years time for an item costing 1.00 now?
1.00 x 1.10 = 1.10
3.2 Assume inflation continues to run at 10% for another year. How much
will you have to pay at the end of the second year for an item costing
1.00 just now?
1.10 x 1.21
3.3 If inflation runs at 10% for a third year how much will you pay for an
item costing 1.00 just now?
(1.21 x 1.10) = (1.10 x 1.10 x 1.10) = (1.10)3 = 1.331
3.4 This is known as Compounding. However, when we discount we
simply reverse the procedure. If inflation runs at 10%, an item costing
1.00 in one years time will cost how much just now? 1
The answer is 1.10 = 0.9090
3.5 If inflation runs at 10% for a second year, an item costing 1.00 in 2
years time will cost how much just now?1
The answer is 1.102
= 0.8264
3.6 Again, if inflation continues to run at 10% for a third year then an item
costing 1.00 in 3 years time costs how much just now?
1
The answer is 1.103
= 0.7513
3.7 What this means to business people is that if inflation is at 10%, 1.00
received in one years time is exactly the same as being given 0.9090
just now. Also, 1.00 being received in 2 years time is exact ly the
same as receiving 0.8264 just now and 1.00 received in 3 years time
is the same as receiving 0.7513 just now.
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DISCOUNTED CASH FLOW
8 ACCOUNTING AND FINANCE
3.8 This is described as Present Value and is stated thus
at 10%,
1.00 in one years time has a present value of 0.9090 1.00 in two years time has a present value of 0.8264
1.00 in three years time has a present value of 0.7513
3.9 Investment appraisal can make use of present values by converting all
future cash flows back to present value and thus comparisons can be
made between projects in which all cash flows and the timing of the
cash flows are considered.
3.10 The conversion of future cash flows into present value amounts is done
through discount factors. The discount factor a firm uses to convert
future s to present value is based on the cost of borrowing to that firm
and is known as the cost of capital.
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NET PRESENT VALUE (NPV)
ACCOUNTING AND FINANCE 9
SECTION 4
4.1 The Net Present Value (NPV) model as a means of investment appraisal
considers all future cash flows but converts all future s to their worth
at this moment in time. The result of this procedure is that allcash
flows from a project are considered and, since all future cash flows are
converted to present values, then a true comparison can be made
between competing projects.
4.2 Example 1
Cost of Project 20,000
Years Cash Inflows
1 10,000
2 6,000
3 4,000
4 4,000
5 4,000
4.3 Discount (or present value) factors are used to convert future s to
present value. Present value tables are provided in the Appendix on
page 20. The present values are based on the cost of borrowing to the
firm. Assume this to be 10%. Looking at the present value table, we
move to the 10% column and not the discount factors for the 5 years of
the project. These are:
Years Discount factor
1 .9091
2 .82643 .7513
4 .6830
5 .6209
4.4 In other words at 10%, 1 in 1 years time has a present value of
0.9091 just now. At 10%, 1 in 2 years time has a present value of
0.8264 just now and so on.
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NET PRESENT VALUE (NPV)
10 ACCOUNTING AND FINANCE
4.5 We can use these present value factors to convert the future cash
inflows into present value as follows.
Years Cash Flows x Discount Factor @ 10% = Present Value
0 (20,000) 1.00 (20,000)
1 10,000 .9091 9,091
2 6,000 .8264 4,958
3 4,000 .7513 3,005
4 4,000 .6830 2,732
5 4,000 .6209 2,484
Net Present Value 2,270
Points to Note
All cash flows are considered, including the cash outflow (the investment) as
well as the cash inflows.
The cash outflow to fund the project is made now in Year 0. Year 1 cash
inflows come into the firm one year from now. Thus the discount factor in
Year 0 (now) is always 1.00.
All cash flows are converted into present value by multiplying the cashflows by the appropriate discount (present value) factor.
Net Present Value is found by adding together all cash inflows and
deducting all cash outflows.
In this example the net present value of the project is 2,270. This means
that shareholders wealth is increased by 2,270.
If an investment gives a positive NPV then the project should be accepted
(unless we are dealing with mutually exclusive projects).
The greater the net present value the greater is the increase in shareholders
wealth. Thus, if there are two projects which are mutually exclusive, the
project providing greater NPV will be chosen.
If NPV is found to be negative, then the project should not be accepted
because shareholders wealth is, in effect, reduced.
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NET PRESENT VALUE (NPV)
ACCOUNTING AND FINANCE 11
4.6 Example 2
A project will cost 20,000 and will bring in the following cash flows.
Years Cash Inflows
1 15,000
2 10,000
3 6,000
4 3,000
5 (8,000)
The firms cost of capital is 12%.
Before deciding on whether the project should be accepted or rejected,
it should be noted that Year 5 cash flow is bracketed, thereby denoting
that it is a cash outflow. Such a situation is becoming more common
nowadays as environmental issues become more important. A cash
outflow at the end of a project may come about because a firm has to
restore land to the way it was prior to the project being carried out, e.g.
restoring countryside after the laying of a pipe line, or removing an oil
platform from the North Sea after depleting the oil reserves.
Calculations are as follows.
Years Cash Flows Discount Factor @ 12% Present
Value
0 (20,000) 1.00 (20,000)
1 15,000 .8929 13,394
2 10,000 .7969 7,969
3 6,000 .7118 4,271
4 3,000 .6355 1,907
5 (8,000) .5674 (4,539)
Net Present Value 3,002
This project should therefore be accepted. Now assume interest rates
rise to 18%. The project must be recalculated at the new cost of capital.
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NET PRESENT VALUE (NPV)
12 ACCOUNTING AND FINANCE
Years Cash Flows Discount Factor @ 18% Present
Value
0 (20,000) 1.00 (20,000)
1 15,000 .8475 12,713
2 10,000 .7182 7,182
3 6,000 .6086 3,562
4 3,000 .5158 1,547
5 (8,000) .4371 (3,497)
Net Present Value 1,507
NPV is reduced from 3,002 to 1,507.
If interest rates do increase, many positive NPVs are transferred into
negative NPVs and projects are not undertaken, e.g. machines are not
bought, new oil dril ling is not carried out. High interest rates can
contribute to a firms stagnation or even contraction.
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INTERNAL RATE OF RETURN (IRR)
ACCOUNTING AND FINANCE 13
SECTION 5
5.1 Like NPV, Internal Rate of Return (IRR) considers the timing of cash
flows and uses discount factors to convert future s to present value.
However, IRR finds the rate of return which brings the net present
value of all cash inflows and outflows to zero. The rate of return which
achieves this is known as the yield of the project. The yield obtained is
compared to the firms cost of capital and if the yield of the project is
greater than the cost of the capital the project should be accepted. The
IRR method of investment appraisal is also known as the yield method.
5.2 A project requires an initial investment of 10,000 and will produce the
following cash inflows. The firms Cost of Capital is 23%.
Years Cash Inflows
1 6,000
2 4,000
3 4,000
4 3,000
5 1,000
The first stage is to create a table similar to that prepared when using NPV. The
only difference is that, instead of using the cost of capital, a discount factor is
chosen which, it is hoped, will bring all future cash inflows and outflows to an
NPV of zero.
Years Cash Flows Discount Factor @ 24% Present Value
0 (10,000) 1.00 (10,000)
1 6,000 .8065 4,839
2 4,000 .6504 2,602
3 4,000 .5245 2,098
4 3,000 .4230 1,269
5 1,000 .3411 341
Net Present Value 1,149
Since 24% has not brought NPV to zero, another discount factor must
be chosen. The NPV produced is 1,149. A discount factor lower than
24% would produce a higher NPV than 1,149, thus the second discount
factor must be greater than 24%.
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INTERNAL RATE OF RETURN (IRR)
14 ACCOUNTING AND FINANCE
Years Cash Flows Discount Factor @ 32% Present Value
0 (10,000) 1.00 (10,000)
1 6,000 .7576 4,546
2 4,000 .5739 2,296
3 4,000 .4348 1,739
4 3,000 .3294 988
5 1,000 .2495 250
Net Present Value (181)
A discount factor of 32% produces negative NPV of 181. The result
of this is that the discount factor which will bring all cash flows to zero
must lie between 24% and 32%.
To find the discount factor bringing cash flows to zero we could try 25%. If
this did not work we could move to 26% and so on. However, by means of
interpolation we are able to ascertain the discount factor giving zero for the cash
flows.
24% gives an NPV of +1,149
32% gives an NPV of181
8% difference leads to difference of 1,330
To find discount factor giving zero
24% + 1,149 x difference (between percentages)1,330
= 24% + 1,149 x 81,330
= 30.9%
Alternatively
= 32% 181 x 81,330
= 30.9%
Alternatively the following formulae can be used.
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INTERNAL RATE OF RETURN (IRR)
ACCOUNTING AND FINANCE 15
Positive rate + (Positive NPV (Positive NPV + Negative NPV) x
Range of rates)%
24% + (1,149 (1,149 + 181) x 24)%
24% + ((1,149 1,330) x 8)%
24% + (0.8639 x 8)%
24% + 6.91%
30.91%
or
Negative rate (Negative NPV (Positive NPV + Negative NPV) x
Range of rates)%
32% (181 (1,149 + 181) x 8)%
32% ((181 1,330) x 8)%
32% (0.1361 x 8)%
32% 1.09%
30.91%
The figure of 30.9% is the yield of the project and it is now compared to the
cost of capital. If it is greater than the cost of capital, then the project should be
accepted. If it is less than the cost of capital, then the project should be rejected.
5.3 Note that IRR is only useful when comparing projects of the same scale.
Scale is a function of
(a) outlay
(b) cash flow patterns
(c) life.
If projects being compared and assessed differ in any of the above three
areas, then IRR should not be used and firms should look to NPV as a
means of assessing projects.
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INTERNAL RATE OF RETURN (IRR)
16 ACCOUNTING AND FINANCE
5.4 Outlays
An example of the scale problem with regard to capital outlays is tomake a decision between two mutually exclusive options.
Option 1: Give me 1 just now and in an hour I will give you back
1.50.
Option 2: Give me 10 just now and at the end of the hour I will give
you back 11.
An analysis of these two alternatives reveals the following:
Option 1 Option 2
*NPV 1 10
IRR 50% 10%
*No rate is used as the transaction was almost instantaneous. The
question centres on whether people (or shareholders) would prefer to be
1.00 richer rather than 50p richer. In other words, absolute values a re
better indicat ions of increases in wealth than percentages. It follows,
therefore, that IRR may lead to a wrong decision in business. In the
above example, the capital outlays were different and where this is thecase IRR should not be used.
5.5 Cash Flow Patterns
Assume a firm has a cost of capital of 10%. Two mutually exclusive
projects have to be considered and are detailed below.
Years Project 1 Project 2
0 (100) (100)1 100
2 144 30
Calculation of the IRR is 20% for Project 1 and 24% for Project 2.
Thus, if IRR was the method of appraising investments, then Project 2
would be chosen in preference to Project 1. However, if the NPV is
calculated (using the cost of capital of 10%), it is found that in absolute
terms Project 1 has an NPV of 19 whilst Project 2 has an NPV of 16.
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INTERNAL RATE OF RETURN (IRR)
ACCOUNTING AND FINANCE 17
Project 1 clearly increases shareholders wealth more than does Project
2 and it is clearly advantageous to choose Project 1, yet IRR would
have provided the wrong signals to management regarding whichproject to accept.
5.6 Life
Again it can be shown that IRR is unsuitable when deciding on projects
which are of different lengths.
Example
Two mutually exclusive projects require an initial investment of 100
each. The cash flows are as follows. Assume cost of capital is 10%.
Years Cash Inflows
Project 1 Project 2
0 (100) (100)
1 126
2 144
The IRR for the projects work out at 20% for Project 1 and 26% for
Project 2. Thus using an IRR model as the decision -making tool,management would choose Project 2.
However, the NPV for the projects stands at 19 for Project 1 and 15
for Project 2. In absolute terms Project 1 should be chosen in
preference to Project 2.
Again IRR gives the wrong signals to management regarding which
project to choose.
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PROFITABILITY INDEX (PI)
18 ACCOUNTING AND FINANCE
SECTION 6
6.1 The Profitability Index (or PI) is based on the comparison of the net
present value of the cash flow with the amount of the original
investment. It is, therefore, a measure of the percentage increase in the
capital sum that the net present value represents. Projects are thus
ranked in order of profitability.
The profitability index is calculated in the following manner.
Net present value of cash flows = profitability index
Original amount invested
6.2 The higher the profitability index, the higher the return earned on the
project. The lower the profitabi li ty index, the less profitable the project
and if the index falls below 1, this means that the project has failed to
meet the required rate of return.
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ADVANTAGES AND DISADVANTAGES OF THE VARIOUS METHODS
ACCOUNTING AND FINANCE 19
SECTION 7
7.1 Accounting Rate of Return
Advantages - Simple to understand
- Easy to calculate
Disadvantages - Ignores the timing of cash flows
- Based on profitabili ty rather than cash flows
7.2 Payback
Advantages - Simple to understand
- Easy to calculate
- Indicates length of time capital outlay is at risk
Disadvantages - Ignores cash flows after payback period
- Ignores timing of cash flows
- Biased in favour of short-term projects
7.3 Net Present Value
Advantages - Considers the time value of money
- Considers all cash flows
- Answer is in absolute terms of increase (or
decrease) in shareholders wealth
Disadvantages - May be difficult to calculate
7.4 Internal Rate of Return
Advantages - Considers the time value of money
- Considers all cash flows
Disadvantages - Cannot be used to compare projects of different
scales
- Can give more than one answer
- Confusing
7.5 Profitability Index
This is a derivative of the Net Present Value model and has the same
advantages and disadvantages as NPV.
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DISCOUNT TABLE
20 ACCOUNTING AND FINANCE
APPENDIX
Present value of 1 received aftern years discounted at 1%
i 1 2 3 4 5 6 7 8 9 10
n
1 .9901 .9804 .9709 .9615 .9524 .9434 .9346 .9259 .9174 .9091
2 .9803 .9612 .9426 .9246 .9070 .8900 .8734 .8573 .8417 .8264
3 .9706 .9423 .9151 .8890 .8638 .8396 .8163 .7938 .7722 .7513
4 .9610 .9238 .8885 .8548 .8227 .7921 .7629 .7350 .7084 .68305 .9515 .9057 .8626 .8219 .7835 .7473 .7130 .6806 .6499 .6209
6 .9420 .8880 .8375 .7903 .7462 .7050 .6663 .6302 .5963 .5645
i 11 12 13 14 15 16 17 18 19 20
n
1 .9009 .8929 .8850 .8772 .8696 .8621 .8547 .8475 .8403 .8333
2 .8116 .7969 .7831 .7695 .7561 .7432 .7305 .7182 .7062 .6944
3 .7312 .7118 .6931 .6750 .6575 .6407 .6244 .6086 .5934 .5787
4 .6587 .6355 .6133 .5915 .5718 .5523 .5337 .5158 .4987 .4823
5 .5935 .5674 .5428 .5194 .4972 .4761 .4561 .4371 .4190 .4019
6 .5346 .5066 .4803 .4556 .4323 .4104 .3910 .3704 .3521 .3349