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Time Value of Money Introduction. TVM Preferences More vs. Less Sooner vs. Later More Now vs. Less...

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Time Value of Money Introduction
Transcript

Time Value of MoneyIntroduction

TVM Preferences

• More vs. Less

• Sooner vs. Later

• More Now vs. Less Later

• Less Now vs. More Later ????

TVM Questions

• What will my investment grow to?

• How much do I need today?

• How fast must my investment grow?

• How long will it take?

Compare and Contrast

1970 2011

Cost of a first-class stamp:  $ 0.06 $ 0.44

Cost of a gallon of gas:  $ 0.36 $ 2.98

Cost of a dozen eggs:  $ 0.62 $ 2.20

Cost of a gallon of Milk:  $ 1.15 $ 3.69

TVM

4.98%

5.29%

3.14%

2.88%

TVM Basic Concepts

• Simple vs. Compound Interest

Simple Interest = interest earned only on principal (amount loaned)

Compound Interest = interest earned on principal and any unpaid interest earned in an earlier time period

Simple Interest Calculation

PVn*i*PV FV

Principal

Periods x Rate Interest x Principal ValueFuture

Interest Example

• Principal $1,000• Interest Rate 10%• Term 5 years

Interest Example

FV = (1,000 x .10 x 5) + 1,000

FV = 500 +1,000

FV = 1,500

Simple Interest Example

• Principal $1,000• Total Interest 500• Ending Balance $1,500

Compound Interest Calculation

n

1-n

1 Periodsi

n

1Periods

i) (1 *PV FV

Principal

Rate Interest * Interest

Rate Interest * Principal ValueFuture

Compound Interest Example

611,1

1.611 x 1,000 FV

(1.10) x 1000 FV

.10) (1 x 1,000 FV

5

5

FV

Compound Interest Example

• Principal $1,000• Total Interest Rate 611• Ending Balance $1,611

Time Value of Money

Calculator Tips• Set Calculator to 4 decimal points• Set P/Yr to 1 and do not change• Clear calculator before calculation• Use recommended format• Learn to use special features• Read carefully• Know the concepts of TVM

TVM Concepts• Use a time line• Use + or - to indicate cash flow• Periodic Cash flows can be at

Beginning or End of Period• Calculators use Percentages• Excel uses decimals

Lump Sum vs. Periodic Pmts• Lump Sum

–Single Payment–At time zero–Present ValueOR–Single Payment–At end of time–Future Value

• Periodic Payment–Ordinary Annuity

• Pmt at end of periods• For life of investment

–Annuity Due• Pmt at beg. of periods• For life of investment

–PMT

Annuities

• Must be–Equal Amounts–Occurring in every compounding

period–Ordinary Annuity – End of Period–Annuity Due – Beginning of Period

Annuity?

01 1002 1003 1004 1005 100

Annuity?

0 1001 1002 1003 1004 1005

Annuity?

0 10012 10034 1005

Annuity?

01 1002 2003 3004 4005 500

Lump Sum & Periodic Payment

• Combination–Single Payment–With periodic payments for life of

investment–PV & PMT

Recommended StructureFuture ValuePresent ValuePaymentAnnual RateYearsBeg / EndCompounding PeriodsRate / PeriodYears * Periods

Future Value of Lump Sum

If you invest $1,000 in a savings account earning 10% compounded annually, how much will you have after 5 years?

Future Value of Lump Sum

Future Value ?Present Value (1,000.00) PaymentAnnual Rate 10.00%Years 5Beg / EndCompounding PeriodsRate / PeriodYears * Periods

Future Value of Lump Sum

Future Value 1,610.51 Present Value (1,000.00) PaymentAnnual Rate 10.00%Years 5Beg / EndCompounding PeriodsRate / PeriodYears * Periods

Future Value of Lump Sum

If you invest $10,000 in a mutual fund that is expected to earn a 12% compound after-tax return, how much will you have at the end of 50 years?

Future ValuePresent ValuePaymentAnnual RateYearsBeg / EndCompounding PeriodsRate / PeriodYears * Periods

Future Value of Lump Sum

Future Value ?Present Value (10,000.00) PaymentAnnual Rate 12.00%Years 50Beg / EndCompounding PeriodsRate / PeriodYears * Periods

Future Value

Future Value 2,890,021.90 Present Value (10,000.00) PaymentAnnual Rate 12.00%Years 50Beg / EndCompounding PeriodsRate / PeriodYears * Periods

Future Value of an Annuity

If you invest $10,000 at the end of each year in a mutual fund that is expected to earn a 12% compound after-tax return, how much will you have at the end of 5 years?

Future ValuePresent ValuePaymentAnnual RateYearsBeg / EndCompounding PeriodsRate / PeriodYears * Periods

Future Value of an Annuity

Future Value ?Present ValuePayment (10,000.00) Annual Rate 12.00%Years 5Beg / End EndCompounding PeriodsRate / PeriodYears * Periods

Future Value of an Annuity

Future Value 63,528.47 Present ValuePayment (10,000.00) Annual Rate 12.00%Years 5Beg / End EndCompounding PeriodsRate / PeriodYears * Periods

Future Value of an Annuity

If you invest $10,000 at the beginning of each year in a mutual fund that is expected to earn a 12% compound after-tax return, how much will you have at the end of 5 years?

Future ValuePresent ValuePaymentAnnual RateYearsBeg / EndCompounding PeriodsRate / PeriodYears * Periods

Future Value of an Annuity

Future Value ?Present ValuePayment (10,000.00) Annual Rate 12.00%Years 5Beg / End BegCompounding PeriodsRate / PeriodYears * Periods

Future Value of an Annuity

Future Value 71,151.89 Present ValuePayment (10,000.00) Annual Rate 12.00%Years 5Beg / End BegCompounding PeriodsRate / PeriodYears * Periods

Ordinary Annuity

Time Payment Return FV

0

1 10,000 12% / 4 yrs 15,735.19

2 10,000 12% / 3 yrs 14,049.28

3 10,000 12% / 2 yrs 12,544.00

4 10,000 12% / 1 yr 11,200.00

5 10,000 12% / 0 yrs 10,000.00

Total 63,528.47

Annuity Due

Time Payment Return FV

0 10,000 12% / 5 yrs 17623.42

1 10,000 12% / 4 yrs 15,735.19

2 10,000 12% / 3 yrs 14,049.28

3 10,000 12% / 2 yrs 12,544.00

4 10,000 12% / 1 yr 11,200.00

5

Total 71,151.89

Future Value of a Combination

If you invest $10,000 today and $1,000 at the end of each year in a mutual fund that is expected to earn a 12% compound after-tax return, how much will you have at the end of 5 years?

Future Value of a Combination

Future ValuePresent ValuePaymentAnnual RateYearsBeg / EndCompounding PeriodsRate / PeriodYears * Periods

Future Value

Future Value ?Present Value (10,000.00) Payment (1,000.00) Annual Rate 12.00%Years 5Beg / End EndCompounding PeriodsRate / PeriodYears * Periods

Future Value

Future Value 23,976.26 Present Value (10,000.00) Payment (1,000.00) Annual Rate 12.00%Years 5Beg / End EndCompounding PeriodsRate / PeriodYears * Periods

Combination Investment

Time Payment Return FV

0 10,000 12% / 5 yrs 17,623.42

1 1,000 12% / 4 yrs 1,573.52

2 1,000 12% / 3 yrs 1,404.93

3 1,000 12% / 2 yrs 1,254.40

4 1,000 12% / 1 yr 1,120.00

5 1,000 12% / 0 yrs 1,000.00

Total 23,976.26

Annual Rate of Return

TVM can also solve for the rate of return required for a PV to reach a FV in n years.

Annual Rate of Return

What rate of return is required for $10,000 to grow to $16,000 in 5 years?

Annual Rate of Return

Future ValuePresent ValuePaymentAnnual RateYearsBeg / EndCompounding PeriodsRate / PeriodYears * Periods

Annual Rate of Return

Future Value 16,000.00 Present Value (10,000.00) PaymentAnnual Rate ?Years 5Beg / EndCompounding PeriodsRate / Period

Annual Rate of ReturnFuture Value 16,000.00 Present Value (10,000.00) PaymentAnnual Rate 9.86%Years 5Beg / EndCompounding PeriodsRate / Period

Annual Rate of Return

If you invest $2,000 at the end of each year for 5 years, what rate of return must your investment earn for you to have $16,000 at the end of that period?

Future ValuePresent ValuePaymentAnnual RateYearsBeg / EndCompounding PeriodsRate / PeriodYears * Periods

Annual Rate of Return

Future Value 16,000.00 Present ValuePayment (2,000.00) Annual Rate ?Years 5Beg / End EndCompounding PeriodsRate / PeriodYears * Periods

Annual Rate of Return

Future Value 16,000.00 Present ValuePayment (2,000.00) Annual Rate 23.69%Years 5Beg / End EndCompounding PeriodsRate / PeriodYears * Periods

Annual Rate of Return

If you invest $10,000 today and $500 at the end of each year for the next 5 years, what rate of return must you earn to have $16,000 at the end of that period?

Future ValuePresent ValuePaymentAnnual RateYearsBeg / EndCompounding PeriodsRate / PeriodYears * Periods

Annual Rate of ReturnFuture Value 16,000.00 Present Value (10,000.00) Payment (500.00) Annual Rate ?Years 5Beg / End EndCompounding PeriodsRate / PeriodYears * Periods

Annual Rate of ReturnFuture Value 16,000.00 Present Value (10,000.00) Payment (500.00) Annual Rate 5.71%Years 5Beg / End EndCompounding PeriodsRate / PeriodYears * Periods

Number of Periods

TVM can also solve for the holding period required for a PV, a series of Payments or a combination of PV and Payments to reach a FV given a specific rate of return

Number of Periods

How long will it take for a $10,000 investment to grow to $24,000 if it earns 11.25% compounded annually?

Future ValuePresent ValuePaymentAnnual RateYearsBeg / EndCompounding PeriodsRate / PeriodYears * Periods

Number of Periods

Future Value 24,000.00 Present Value (10,000.00) PaymentAnnual Rate 11.25%Years ?Beg / EndCompounding PeriodsRate / PeriodYears * Periods

Number of Periods

Future Value 24,000.00 Present Value (10,000.00) PaymentAnnual RateYears 8.21Beg / EndCompounding PeriodsRate / PeriodYears * Periods

Number of Periods

If you deposit $3,000 at the beginning of each year in a savings account earning 9.75%, how long will it take for you to save for a $20,000 down payment for a house?

Future ValuePresent ValuePaymentAnnual RateYearsBeg / EndCompounding PeriodsRate / PeriodYears * Periods

Number of PeriodsFuture Value 20,000.00 Present ValuePayment (3,000.00) Annual Rate 9.75%Years ?Beg / End BegCompounding PeriodsRate / PeriodYears * Periods

Number of Periods

Future Value 20,000.00 Present ValuePayment (3,000.00) Annual Rate 9.75%Years 5Beg / End BegCompounding PeriodsRate / PeriodYears * Periods

Present Value

TVM can also solve for the price you would pay for a FV, a series of Payments, or a combination of a series of Payments and a FV given a specific rate of return and holding period.

Present Value of a Future Amount

What would you pay for the right to collect $8,000 in 7 years, if your required return is 8.75%?

Future ValuePresent ValuePaymentAnnual RateYearsBeg / EndCompounding PeriodsRate / PeriodYears * Periods

Present Value of a Future Amount

Future Value 8,000.00 Present Value ?PaymentAnnual Rate 8.75%Years 7Beg / EndCompounding PeriodsRate / PeriodYears * Periods

Present Value of a Future Amount

Future Value 8,000.00 Present Value (4,447.18) PaymentAnnual Rate 8.75%Years 7Beg / EndCompounding PeriodsRate / PeriodYears * Periods

Stop

Present Value of Periodic Payments

What would you pay for the right to collect $8,000 at the beginning of each year for 7 years, if your required return is 8.75%?

Future ValuePresent ValuePaymentAnnual RateYearsBeg / EndCompounding PeriodsRate / PeriodYears * Periods

Present Value of Periodic Payment

Future ValuePresent Value ?Payment 8,000.00 Annual Rate 8.75%Years 7Beg / End BegCompounding PeriodsRate / PeriodYears * Periods

Present Value of Periodic Payment

Future ValuePresent Value (44,156.42) Payment 8,000.00 Annual Rate 8.75%Years 7Beg / End BegCompounding PeriodsRate / PeriodYears * Periods

Present Value of a Combination

What would you pay for the right to collect $800 at the end of each year for 7 years and an additional $10,000 at the end of the period, if your required return is 7.25%?

Future ValuePresent ValuePaymentAnnual RateYearsBeg / EndCompounding PeriodsRate / PeriodYears * Periods

Present Value of a Combination

Future Value 10,000.00 Present Value ?Payment 800.00 Annual Rate 7.25%Years 7Beg / End EndCompounding PeriodsRate / PeriodYears * Periods

Present Value of a Combination

Future Value 10,000.00 Present Value (10,400.70) Payment 800.00 Annual Rate 7.25%Years 7Beg / End EndCompounding PeriodsRate / PeriodYears * Periods

Time Value of Money

Compounding Periods Shorter than One Year

Compounding Periods• Cash Flows are often more

frequent than annually–Monthly, quarterly, semi-annually

• If Compound periods < annual–Effective Interest Rate is higher–FV is higher and PV is lower

Compound Interest Formula with Compounding Periods less

than 1 Year

mn*

m

i1*PVFV

Where m = the number of compounding periods within the year.

Adjustments for Compounding Periods < Annual

• Compounding Periods = m• Divide Annual rate by m

i/m• Multiply Years by m

n x m• Input i/m for I/Y• Input (n x m) for N

Future Value of Lump Sum

If you invest $6,000 in a savings account earning 10% compounded quarterly, how much will you have after 5 years?

Future ValuePresent ValuePaymentAnnual RateYearsBeg / EndCompounding PeriodsRate / PeriodYears * Periods

Future Value of Lump Sum

Future Value ?Present Value (6,000.00) PaymentAnnual Rate 10.00%Years 5Beg / EndCompounding Periods 4Rate / Period 2.50%Years * Periods 20

Future Value of Lump Sum

Future Value $9,831.70Present Value (6,000.00) PaymentAnnual Rate 10.00%Years 5Beg / EndCompounding Periods 4Rate / Period 2.50%Years * Periods 20

Future Value of Lump Sum

If you invest $1,000 in a savings account earning 10% compounded daily, how much will you have after 5 years?

Future ValuePresent ValuePaymentAnnual RateYearsBeg / EndCompounding PeriodsRate / PeriodYears * Periods

Future Value of Lump Sum

Future Value ?Present Value (1,000.00) PaymentAnnual Rate 10.00%Years 5Beg / EndCompounding Periods 365Rate / Period 0.0274%Years * Periods 1,825

Future Value of Lump Sum

Future Value $1,648.61Present Value (1,000.00) PaymentAnnual Rate 10.00%Years 5Beg / EndCompounding Periods 365Rate / Period 0.0274%Years * Periods 1,825

Future Value of an Annuity

If you invest $1,000 at the end of each month in a mutual fund that is expected to earn a 12% after-tax return, how much will you have at the end of 5 years?

Future ValuePresent ValuePaymentAnnual RateYearsBeg / EndCompounding PeriodsRate / PeriodYears * Periods

Future Value of an Annuity

Future Value ?Present ValuePayment (1,000.00) Annual Rate 12.00%Years 5Beg / End EndCompounding Periods 12Rate / Period 1.00%Years * Periods 60

Future Value of an Annuity

Future Value $81,669.67Present ValuePayment (1,000.00) Annual Rate 12.00%Years 5Beg / End EndCompounding Periods 12Rate / Period 1.00%Years * Periods 60

Future Value of an Annuity

If you invest $1,000 at the beginning of each month in a mutual fund that is expected to earn a 12% after-tax return, how much will you have at the end of 5 years?

Future ValuePresent ValuePaymentAnnual RateYearsBeg / EndCompounding PeriodsRate / PeriodYears * Periods

Future Value of an Annuity

Future Value ?Present ValuePayment (1,000.00) Annual Rate 12.00%Years 5Beg / End BegCompounding Periods 12Rate / Period 1.00%Years * Periods 60

Future Value of an Annuity

Future Value $82,486.37Present ValuePayment (1,000.00) Annual Rate 12.00%Years 5Beg / End BegCompounding Periods 12Rate / Period 1.00%Years * Periods 60

Annual Rate of Return

If you invest $2,000 at the end of each quarter for 5 years, what rate of return must your investment earn for you to have $60,000 at the end of that period?

Future ValuePresent ValuePaymentAnnual RateYearsBeg / EndCompounding PeriodsRate / PeriodYears * Periods

Annual Rate of Return

Future Value 60,000.00 Present ValuePayment (2,000.00) Annual Rate ?Years 5Beg / End EndCompounding Periods 4Rate / Period ?Years * Periods 20

Annual Rate of Return

Future Value 60,000.00 Present ValuePayment (2,000.00) Annual Rate ?Years 5Beg / End EndCompounding Periods 4Rate / Period 4.07%Years * Periods 20

Annual Rate of Return

Future Value 60,000.00 Present ValuePayment (2,000.00) Annual Rate 16.29%Years 5Beg / End EndCompounding Periods 4Rate / Period 4.07%Years * Periods 20

Annual Rate of Return

If you invest $10,000 today and $500 at the end of each month for the next 5 years, what rate of return must you earn to have $60,000 at the end of that period?

Future ValuePresent ValuePaymentAnnual RateYearsBeg / EndCompounding PeriodsRate / PeriodYears * Periods

Annual Rate of ReturnFuture Value 60,000.00 Present Value (10,000.00) Payment (500.00) Annual Rate ?Years 5Beg / End EndCompounding Periods 12Rate / PeriodYears * Periods 60

Annual Rate of ReturnFuture Value 60,000.00 Present Value (10,000.00) Payment (500.00) Annual Rate ?Years 5Beg / End EndCompounding Periods 12Rate / Period 1.04%Years * Periods 60

Annual Rate of ReturnFuture Value 60,000.00 Present Value (10,000.00) Payment (500.00) Annual Rate 12.50%Years 5Beg / End EndCompounding Periods 12Rate / Period 1.04%Years * Periods 60

Number of Periods

If you deposit $300 at the beginning of each month in a savings account earning 9.75%, how long will it take for you to save for a $20,000 down payment for a house?

Future ValuePresent ValuePaymentAnnual RateYearsBeg / EndCompounding PeriodsRate / PeriodYears * Periods

Number of PeriodsFuture Value 20,000.00 Present ValuePayment (300.00) Annual Rate 9.75%Years ?Beg / End BegCompounding Periods 12Rate / Period 0.81%Years * Periods ?

Number of PeriodsFuture Value 20,000.00 Present ValuePayment (300.00) Annual Rate 9.75%Years ?Beg / End BegCompounding Periods 12Rate / Period 0.81%Years * Periods 53

Number of PeriodsFuture Value 20,000.00 Present ValuePayment (300.00) Annual Rate 9.75%Years 4.43Beg / End BegCompounding Periods 12Rate / Period 0.81%Years * Periods 53

Uneven Cash Flows

• How do you calculate Present Value when your required return is 9.0% and you expect to receive the following cash flows:

Year 1 2,000 Year 2 3,000 Year 5 1,000

Uneven Cash Flows

• Alternative One – The Hard Way

1. Draw a Time Line

2. Calculate the PV of each cash flow

3. Total the Present Values

Uneven Cash Flows

CF 1FV 2,000I/Y 9.00%N 1PV (1,834.86)

Uneven Cash Flows

CF 1 CF 2FV 2,000 3,000I/Y 9.00% 9.00%N 1 2PV (1,834.86) (2,525.04)

Uneven Cash Flows

CF 1 CF 2 CF 3FV 2,000 3,000 1,000I/Y 9.00% 9.00% 9.00%N 1 2 5PV (1,834.86) (2,525.04) (649.93)

Total PV (5,009.83)

Uneven Cash Flows

• Alternative Two – Use the CF Register

1. Draw Time Line

2. Input Cash Flows into CF Register

3. Go to NPV Register1. Input Rate of Return

2. Compute NPV

Uneven Cash Flows Example 1 – Alternative Two

1. Draw Time Line

2. Push CF button

3. Clear CF register

2nd CLR Work

4. Input Cash Flows

Cash Flow Register

• Inputs– CF0 = Investment, Price, Cost at Time 0

We are solving for PV so CF0 should be 0

Since CF0 already = 0, – C01 = Cash Flow at the end of Period 1

– F01 = Frequency of C01

The number of times that C01 occurred consecutively

Uneven Cash Flows Example 1

1. Draw Time Line

2. Clear the CF Register

3. Input Cash Flowsa. CF0 = 0, b. C01 = 2,000; F01 = 1, c. C02 = 3,000; F02 =1, d. C03 = 0; F03 = 2, e. C04 = 1,000; F04 = 1,

Uneven Cash Flows Example 1

1. Check Inputs

2. Go To NPV Register

3. Input I 9 ENTER,

4. CPT NPV = 5,009.83

Uneven Cash Flows Example 2

What would you be willing to pay for a real estate investment that has the following expected cash flows: Yr. 1 $500, Yrs. 2-6 $1,000, Yr. 7-10 $1,500, and Yr. 11 $30,000? Assume your required return for this type of investment is 17.0%.

Uneven Cash Flows Example 2

1. Draw Time Line

2. Input Cash Flowsa. CF0 = 0

b. C01 = 500; F01 = 1c. C02 = 1,000; F02 = 5d. C03 = 1,500; F03 = 4e. C04 = 30,000; F04 = 1

Uneven Cash Flows Example 2

3. Check your Inputs

4. Go to “NPV” Register

1. Enter I = 17.0;

2. Press “CPT”

NPV = ?

Uneven Cash Flows Example 2

NPV = 10,100.25

Uneven Cash Flows

• The CF Register can also be used to find the rate of return associated with uneven cash flows.

• This cannot be done easily any other way.

Uneven Cash Flows

• Inputs–CF Register Steps are the same–Go to IRR Register

CPT IRR

IRR = the Internal Rate of Return

IRR = the rate of return on the investment

Effective Interest Rate Calculation

Effective Interest Rate Calculation

The annual rate of return actually earned when

compounding or payment periods are less than 1 year.

Effective Interest Rate

• Nominal rate = i –The nominal rate is the rate

“named” in the information.–“The credit card rate is for 18.0%

compounded monthly.”• 18.0% is the nominal rate

EIR Calculations

What is the Effective Interest Rate for a credit card with an 18% nominal interest rate if the card is not paid off each month?

Effective Interest Rate with Compounding Periods < 1 Year

100*1m

i1Rate Int. Eff.

m

Where m = the number of compounding periods within the year.

EIR Calculations

100*112

.181

12

EIR

EIR Calculations

100*1015.1 12 EIR

EIR Calculations

100*11956.1 EIR

EIR Calculations

%56.19EIR

EIR CALCULATIONS

Use “I Conv” Register for easy Effective Interest Rate calculations.

I Conv Register

• Steps1. 2nd I Conv

2. Input Nominal Rate, ENTER

3. Arrow Down Twice

4. Input C/Y • (Compounding Periods per Year)

5. Arrow Up

6. CPT EFF (Effective Interest Rate)


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