Download - Ch04 Ppt Brighamfm1ce
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PowerPoint Presentationprepared by
Traven ReedCanadore College
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chapter 4Time Value of Money
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CH4
Copyright © 2011 by Nelson Education Ltd. All rights reserved. 4-3
Corporate Valuation and the Time Value of Money
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CH4
Copyright © 2011 by Nelson Education Ltd. All rights reserved. 4-4
Time Value Topics
• Time lines• Future value• Present value• Effective rates of return• Amortization
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CH4
Copyright © 2011 by Nelson Education Ltd. All rights reserved. 4-5
Time lines show timing of cash flows
CF0 CF1 CF3CF2
0 1 2 3I%
Tick marks at the ends of periods, so Time 0 is today; Time 1 is the end of Period 1; or the beginning of Period 2.
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CH4
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Time line for a $100 lump sum due at the end of Year 2
100
0 1 2 YearI%
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CH4
Copyright © 2011 by Nelson Education Ltd. All rights reserved. 4-7
Time line for an ordinary annuity of $100 for 3 years
100 100100
0 1 2 3I%
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CH4
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Time line for uneven CFs
100 50 75
0 1 2 3I%
-50
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CH4
Copyright © 2011 by Nelson Education Ltd. All rights reserved. 4-9
FV of an initial $100 after3 years (i = 5%)
FV = ?
0 1 2 35%
Finding FVs (moving to the righton a time line) is called compounding.
100
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CH4
Copyright © 2011 by Nelson Education Ltd. All rights reserved. 4-10
After 1 year (Formula Approach)
FV1 = PV + INT1 = PV + PV (I)= PV(1 + I)= $100(1.05)= $105.00
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CH4
Copyright © 2011 by Nelson Education Ltd. All rights reserved. 4-11
After 2 years (Formula Approach)
FV2 = FV1(1+I) = PV(1+I)(1+I)= PV(1+I)2
= $100(1.05)2
= $110.25
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CH4
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After 3 years(Formula Approach)
FV3 = FV2(1+I)=PV(1 + I)2(1+I)= PV(1+I)3
= $100(1.05)3
= $115.76
In general,FVN = PV(1 + I)N
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CH4
Growth of $1
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CH4
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Three Ways to Find FVs
• Solve the equation with a regular calculator.
• Use a financial calculator.• Use a spreadsheet.
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CH4
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(Reference Only)Financial calculator: HP10BII
• Adjust display brightness: hold down ON and push + or -.
• Set number of decimal places to display: Orange Shift key, then DISP key (in orange), then desired decimal places (e.g., 3).
• To temporarily show all digits, hit Orange Shift key, then DISP, then =
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CH4
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(Reference Only)HP10BII (cont’d)
• To permanently show all digits, hit ORANGE shift, then DISP, then . (period key)
• Set decimal mode: Hit ORANGE shift, then ./, key.
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CH4
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(Reference Only) HP10BII: Set Time Value Parameters
• To set END (for cash flows occurring at the end of the year), hit ORANGE shift key, then BEG/END.
• To set 1 payment per period, hit 1, then ORANGE shift key, then P/YR
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CH4
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Financial calculators solve this equation:
FVN + PV (1+I)N = 0
There are 4 variables. If 3 are known, the calculator will solve for the 4th.
Financial Calculator Solution
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CH4
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3 5 -100 0N I/YR PV PMT FV
115.76
Clearing automatically sets everything to 0, but for safety enter PMT = 0
Set: P/YR = 1, END
INPUTS
OUTPUT
Here’s the setup to find FV
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CH4
Copyright © 2011 by Nelson Education Ltd. All rights reserved. 4-20
Spreadsheet Solution
• Use the FV function:
• = FV(I, N, PMT, PV)
• = FV(0.05, 3, 0, -100) = 115.76
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CH4
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10%
What’s the PV of $100 due in 3 years if i = 10%?
Finding PVs is discounting, and it’s the reverse of compounding.
100
0 1 2 3
PV = ?
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CH4
Copyright © 2011 by Nelson Education Ltd. All rights reserved. 4-22
1.10
Solve FVN = PV(1 + I )N for PV
PV =
FVN
(1+I)N= FVN
1
1 + I
N
PV = $1001
= $100(0.7513) = $75.13
3
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CH4
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3 10 0 100N I/YR PV PMT FV
-75.13
Either PV or FV must be negative. HerePV = -75.13. Put in $75.13 today, take out $100 after 3 years.
INPUTS
OUTPUT
Financial Calculator Solution
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CH4
Copyright © 2011 by Nelson Education Ltd. All rights reserved. 4-24
Spreadsheet Solution
• Use the PV function:
• = PV(I, N, PMT, FV)
• = PV(0.10, 3, 0, 100) = -75.13
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CH4
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?%
150
0 1 2 10
-100 FV = PV(1 + I)N
$150 = $100(1 + I)10
(1.5)(1/10) = (1 + I) 1.0414= (1 + I) I = 0.0414 = 4.14%
Finding the Interest Rate
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CH4
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10 -100 0 150N I/YR PV PMT FV
4.14
INPUTS
OUTPUT
Financial Calculator
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CH4
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Spreadsheet Solution
• Use the RATE function:
• = RATE(N, PMT, PV, FV)
• = RATE(10, 0, -100, 150) = 0.0414
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CH4
Find the Number of Years, N
• Suppose we now have $100 and the interest rate is 20%. How long will it take to grow to $200?
Copyright © 2011 by Nelson Education Ltd. All rights reserved. 4-28
20%1 2 ?
-100 200
0
FV = PV (1 + I)N
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CH4
Finding the Time
• Follow the formula approach:• $200 = $100 ( 1 + 0.20)N
• $200/$100 = 2 = (1.2)N
• Ln (2) = N × Ln (1.2)• N = Ln(2) / Ln(1.2)• N = 0.693 / 0.182 = 3.8 years
Copyright © 2011 by Nelson Education Ltd. All rights reserved. 4-29
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CH4
Financial Calculator Solution
Copyright © 2011 by Nelson Education Ltd. All rights reserved. 4-30
• 20 -100 0 200
• N I/YR PV PMTFV
• 3.8
INPUTS
OUTPUTS
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CH4
Spreadsheet Solution
• Use the NPER function:• = NPER(I, PMT, PV, FV)• = NPER (0.2, 0, -100, 200) = 3.8
Copyright © 2011 by Nelson Education Ltd. All rights reserved. 4-31
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CH4
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Ordinary Annuity
PMT PMTPMT
0 1 2 3I%
PMT PMT
0 1 2 3I%
PMT
Annuity Due
Ordinary Annuity vs. Annuity Due
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CH4
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What’s the FV of a 3-year ordinary annuity of $100 at 5%?
100 100.00100
0 1 2 35%
105.00 110.25FV = 315.25
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CH4
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FV Annuity Formula
• The future value of an annuity with N periods and an interest rate of I can be found with the following formula:
= PMT
(1+I)N-1
I
= 100
(1+0.05)3-1
0.05= 315.25
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CH4
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Financial Calculator Formula for Annuities
• Financial calculators solve this equation:
FVN + PV(1+I)N + PMT
(1+I)N-1
I= 0
There are 5 variables. If 4 are known, the calculator will solve for the 5th.
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CH4
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3 5 0 -100
315.25N I/YR PV PMT FV
Have payments but no lump sum PV, so enter 0 for present value.
INPUTS
OUTPUT
Financial Calculator Solution
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CH4
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Spreadsheet Solution
• Use the FV function: see spreadsheet.
• = FV(I, N, PMT, PV)• = FV(0.05, 3, -100, 0) = 315.25
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CH4
Future Value of an Annuity Due
• When payments occur at the beginning of the period rather than at the end, those cash flows have more time to earn extra interest.
• FVAdue = FVAordinary (1 + I)
• FVAdue = ($315.25)(1.05) = $331.01
• Set the calculator to Begin Model • In Excel, FV(I, N, PMT, PV, Type) =
FV(0.05, 3, -100, 0, 1)Copyright © 2011 by Nelson Education Ltd. All rights reserved. 4-38
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CH4
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What’s the PV of this ordinary annuity?
100 100100
0 1 2 35%
95.24
90.70
86.38272.32 = PV
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CH4
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PV Annuity Formula
• The present value of an annuity with N periods and an interest rate of I can be found with the following formula:
= PMT
1
I
1−
I (1+I)N
= 100 1
0.05
1−
0.05(1+0.05)3
= $272.32
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CH4
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Have payments but no lump sum FV, so enter 0 for future value.
3 5 100 0N I/YR PV PMT FV
-272.32
INPUTS
OUTPUT
Financial Calculator Solution
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CH4
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Spreadsheet Solution
• Use the PV function: see spreadsheet.
• = PV(I, N, PMT, FV)• = PV(0.05, 3, 100, 0) = -272.32
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CH4
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Find the PV if theannuity were an annuity due
100 100
0 1 2 3
10%
100
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CH4
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PV of Annuity Due
• Since each payment for an annuity due occurs one period earlier, the payments will all be discounted for one less period.
• Therefore, PVAdue > PVA
• PV of annuity due (PVAdue) :
• = (PV of ordinary annuity) (1+I) • = (272.32) (1+ 0.05) = $285.94
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CH4
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3 5 100 0
-285.94 N I/YR PV PMT FV
INPUTS
OUTPUT
PV of Annuity Due: Switch from “End” to “Begin
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CH4
Excel Function for Annuities Due
• Change the formula to:• =PV(10%,3,-100,0,1)
• The fourth term, 0, tells the function there are no other cash flows. The fifth term (i.e. type) tells the function that it is an annuity due. A similar function gives the future value of an annuity due. Refer to the previous slide 4-38.
Copyright © 2011 by Nelson Education Ltd. All rights reserved. 4-46
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CH4
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5 6 0 10,000
-1,773.96
N I/YR PV PMT FVINPUTS
OUTPUT
Find Annuity Payment for Ordinary Annuity (End Mode) & Annuity Due (Begin Mode)
5 6 0 10,000
-1,673.55
INPUTS
INPUTS
OUTPUT
OUTPUT
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CH4
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6 0 -1,200 10,000
6.96
N I/YR PV PMT FVINPUTS
OUTPUT
Find Period Number and Interestfor Ordinary Annuity (End Mode)
5 0 -1,200 10,000
25.78
INPUTS
INPUTS
OUTPUT
OUTPUT
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CH4
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Perpetuities
• A perpetuity is simply an annuity with an extended life.
• Since the payments go on forever, you cannot apply the step-by-step approach.
• PV of a perpetuity = PMT/I• Example: A British consol with a face
value of $1,000 that pays $50 per year forever. What is its value today? The going interest rate is 2.5%.
• PV(P) = $50/0.025 = $2,000
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CH4
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What is the PV of this uneven cash flow stream?
0
100
1
300
2
300
310%
-50
4
90.91247.93225.39-34.15530.08 = PV
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CH4
Copyright © 2011 by Nelson Education Ltd. All rights reserved. 4-5151
(Reference Only)Financial calculator: HP10BII
• Clear all: Orange Shift key, then C All key (in orange).
• Enter number, then hit the CFj key.• Repeat for all cash flows, in order.• To find NPV: Enter interest rate
(I/YR). Then Orange Shift key, then NPV key (in orange).
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CH4
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(Reference Only)Financial calculator: HP10BII (cont’d)
• To see current cash flow in list, hit RCL CFj CFj
• To see previous CF, hit RCL CFj –• To see subsequent CF, hit RCL CFj
+• To see CF 0-9, hit RCL CFj 1 (to
see CF 1). To see CF 10-14, hit RCL CFj . (period) 1 (to see CF 11).
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CH4
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• Input in “CFLO” register:– CF0 = 0– CF1 = 100– CF2 = 300– CF3 = 300– CF4 = -50
• Enter I = 10%, then press NPV button to get NPV = 530.09. (Here NPV = PV.)
(Reference Only)Financial calculator: HP10BII (cont’d)
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CH4
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Excel Formula in cell A3: =NPV(10%,B2:E2)
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CH4
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Nominal or Quoted Rate (INOM)
• Stated in contracts, and quoted by banks and brokers.
• Not used in calculations or shown on time lines
• Compounding periods per year (M) must be given. Examples:– 8%; Quarterly– 8%, Daily interest (365 days)
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CH4
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Periodic rate (IPER )
• IPER = INOM/M, where M is number of
compounding periods per year. M = 4 for
quarterly, 12 for monthly, and 365 for daily
compounding.
• Used in calculations, shown on time lines.
• Examples:
– 8% quarterly: IPER = 8%/4 = 2%.
– 8% daily (365): IPER = 8%/365 = 0.021918%.
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The Impact of Compounding
• Will the FV of a lump sum be larger or smaller if we compound more often, holding the stated I% constant?
• Why?
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The Impact of Compounding (Answer)
• LARGER!
• If compounding is more frequent than once a year--for example, semiannually, quarterly, or daily--interest is earned on interest more often.
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FV Formula with Different Compounding Periods
INOMFVN = PV 1
+ M
(M)(N)
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$100 at a 12% nominal rate with quarterly compounding for 2 years
= $100(1.03)8 = $126.68
INOMFVN = PV 1 + M
M N
0.12FV5S = $100 1 + 4
4x2
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FV of $100 at a 12% nominal rate for 5 years with different compounding
FV(Ann.) = $100(1.12)5 = $176.23
FV(Semi.) = $100(1.06)10 = $179.08
FV(Quar.) = $100(1.03)20 = $180.61
FV(Mon.) = $100(1.01)60 = $181.67
FV(Daily) = $100(1+(0.12/365))(5x365) = $182.19
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Effective Annual Rate (EAR = EFF%)
• The EAR is the annual rate that produces the same result as if we had compounded at a given periodic rate M times per year.
• The effective percentage (EFF%) is the interest rate expressed as if it were compounded once per year.
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Effective Annual Rate Example
• Example: Invest $1 for one year at 12%, semiannual:
FV = PV(1 + INOM/M)M
FV = $1× (1.06)2 = 1.1236• EFF% = 12.36%, because $1 invested
for one year at 12% semiannual compounding would grow to the same value as $1 invested for one year at 12.36% annual compounding.
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Comparing Rates
• An investment with monthly payments is different from one with quarterly payments. Must put on EFF% basis to compare rates of return. Use EFF% only for comparisons.
• Banks say “interest paid daily.” Same as compounded daily.
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EFF% = 1 + − 1
INOM
M
M
EFF% for a nominal rate of 12%, compounded monthly
= 1 + − 1
0.12
12
12
= (1.01)12 - 1.0= 0.126825 = 12.6825%
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(Reference)Finding EFF with HP10BII
• Type in nominal rate, then Orange Shift key, then NOM% key (in orange).
• Type in number of periods, then Orange Shift key, then P/YR key (in orange).
• To find effective rate, hit Orange Shift key, then EFF% key (in orange).
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EAR (or EFF%) for a Nominal Rate of 12%
EARAnnual = 12.00%
EARQuarterly = (1 + 0.12/4)4 - 1 = 12.55%
EARMonthly = (1 + 0.12/12)12 - 1= 12.68%
EARDaily(365) = (1 + 0.12/365)365 - 1= 12.75%
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Can the effective rate ever be equal to the nominal rate?
• Yes, but only if annual compounding is used, i.e., if M = 1
• If M > 1, EFF% will always be greater than the nominal rate.
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When is each rate used?
INOM: Written into contracts, quoted by banks and brokers. Not used in actual calculations or shownon time lines.
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IPER: Used in actual calculations, shown on time lines.
If INOM has annual compounding,then IPER = INOM/1 = INOM.
Otherwise, adjust with the number of periods involved.
When is each rate used? (cont’d)
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When is each rate used? (cont’d)
• EAR (or EFF%): Used to compare returns on investments with different payments per year.
• Used for calculations if and only if dealing with annuities where payments don’t match interest compounding periods.
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Fractional Time Periods
• On January 1 you deposit $100 in an account that pays a nominal interest rate of 11.33463%, with daily compounding (365 days).
• How much will you have on October 1, or after 9 months (273 days)? (Days given.)
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Convert interest to daily rate
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IPER = 11.33463%/365
= 0.031054% per day.
0 1 2 273
-100 FV=?
0.031054%
FV 273 = $100 (1.00031054)273
= $100 (1.08846) = $108.85
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Calculator Solution
• IPER = INOM/M = 11.33463%/365
=0.031054% per day• With inputs: N = 273, I/Y =
0.031054, PV = -100, PMT = 0• Find FV = 108.85
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Amortized Loans
• Construct an amortization schedule for a $1,000, 10% annual rate loan with three equal payments.
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Step 1: Find the required payments
PMT PMTPMT
0 1 2 310%
-1,000
3 10 -1000 0
INPUTS
OUTPUT
N I/YR PV FVPMT
402.11
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Step 2: Find interest charge for Year 1
INTt = Beginning balancet (I)
INT1 = $1,000(0.10) = $100
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Repmt = PMT - INT = $402.11 - $100 = $302.11
Step 3: Find repayment of principal in Year 1
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Step 4: Find ending balance after Year 1
Ending balance = Beginning bal - Repmt= $1,000 - $302.11 = $697.89
Repeat these steps for Years 2 and 3to complete the amortization table.
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Amortization Table
YEARBEG BAL PMT INT
PRIN PMT
END BAL
1 $1,000 $402 $100 $302 $698
2 698 402 70 332 366
3 366 402 37 366 0
TOT 1,206.34 206.34 1,000
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Interest declines because outstanding balance declines
$0$50
$100$150$200$250$300$350$400$450
PMT 1 PMT 2 PMT 3
Interest
Principal
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• Amortization tables are widely used--for home mortgages, auto loans, business loans, retirement plans, and more. They are very important!
• Financial calculators (and spreadsheets) are great for setting up amortization tables.
Interest declines because outstanding balance declines (cont’d)
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Growing Annuities and Growing Perpetuities
• Cash flows are likely to grow over time, due to either to real growth or to inflation.
• Growing annuity is a series of finite cash flows that grow at a fixed rate.
• Growing perpetuity is a constant stream of cash flows without end that is expected to rise indefinitely
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Real Rate
• Rr = [(1 + INOM)/(1 + inflation)] – 1
• Example: If the nominal annual interest rate is 10% and the expected inflation rate is 5% per annum, what is the expected real rate of return?
• Rr = [1.10/1.05] – 1 = 0.0476 = 4.76%
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