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Chapter 05Chapter 05 Time Value of Money 2:Analyzing Annuity Cash Flows
McGraw-Hill/Irwin Copyright © 2012 by The McGraw-Hill Companies, Inc. All rights reserved.
Introduction
• Time Value of Money calculations– Can deal with either single cash flows (Chapter 4)– or multiple cash flows over time (Chapter 5)
5-2
Future Value of Multiple Cash Flows
• Multiple cash flows– Regular, evenly-spaced
• Car loans and home mortgage loans• Saving for retirement• Companies paying interest on debt• Companies paying dividends
5-3
Future Value – Several Cash Flows• Concept: Compounding
– Value in the future– Different cash flows paid in at different times
...
5-4
Finding FV – Several Cash FlowsExample
...
• Assumptions– Invest $100 today (compounds for 3 years)– Invest $125 at end of year 2 (compounds for 2
years)– Invest $150 at end of year 3 (compounds for 1
year)– Interest rates: 7%
5-5
Future Value – Level Cash Flows• Concept: Compounding• Also called “annuities”
– Value in the future– Same cash flows paid in every period
...
5-7
Finding FV – Level Cash Flows/Annuity Example
...
• Assumptions:– Invest $100 at the end of each year for 5 years– Interest rates: 8%
5-8
Future Value – Multiple Annuities• Concept: Compounding – annuity equation to
compute future value – two levels of cash flows• To solve for multiple annuities, compute FV for
each separately and add them together
...
5-10
Finding FV – Multiple Annuities Example
...
• Assumptions:– Invest $100 at end of years 1 - 3 at 8%– Invest $150 at end of years 4 - 5 at 8%
5-11
Future Value – Multiple AnnuitiesStep 1 (same as FV of Level Cash Flows Calculation)
Step 2
Add two sums together – FV of both is $690.66
Step 3
5-12
Present Value of Multiple Cash Flows
• Multiple cash flows:– Car loans and home mortgage loans– Determining value of business opportunities
5-13
Present Value – Several Cash Flows• Concept: Discounting
– Value of future sum today– Different cash flows paid in at different times
...
5-14
Finding PV – Several Cash FlowsExample
...
• Assumptions:– Deposit $100 today – Deposit $125 next year – Deposit $150 at end of year 2 – Interest rates: 7%
5-15
PV Several Cash Flows
$150/ (1.07)2
$0 / (1.07)3
0 1 2 3
$100 $125 $150 $0
$116.82
$131.02
$0.00
$125/(1.07)
$347.84
5-17
Present Value – Level Cash Flows• Concept: Discounting
– Value of future sum today– Level cash flows paid in at different times
• Most loans set up with even payments throughout life of loan
...
5-18
Finding PV – Level Cash FlowsExample
...
• Assumptions:– $100 payments at end of each year for 5 years– Interest rates: 8% per year
5-19
Present Value – Multiple Annuities• Concept: Discounting
– Changing level cash flows– Ex: Alex Rodriguez’s baseball contract
...
5-21
PV – Multiple Annuities Example
...
• Assumptions (Alex Rodriguez’s Contract):– $10 million signing bonus– $21 million per year from 2001 – 2004– $25 million per year in 2005 and 2006– $27 million per year in 2007 - 2010– Interest rates: 8% per year
5-22
Perpetuity – Special Annuity• Concept: Discounting
– Stream of level cash flows paid forever– Preferred stocks are an example– Value of investment is present value of all
future annuity payments
...
5-24
Ordinary Annuities vs. Annuities Due
• Ordinary Annuity– Payment occurs at the end of each period
• Annuity Due– Payment occurs at the beginning of each period
5-25
Annuity Due Time Line Example
• Cash flows at beginning, not at end of period• Five annuity-due cash flows basically same as
payment today plus 4-year ordinary annuity• Payments occur one period sooner than
ordinary annuity -- earn extra period of interest
...
5-26
Future Value of Annuity Due
• Concept: Compounding– Value of future sum today– Cash flows at beginning of each period
...
5-27
Future Value of Annuity Due
...
– Assumptions:• Assumes cash flows at the beginning of each period • 5 annuity-due cash flows of $100 each
– First cash flow compounds for 5 years– Last cash flow compounds for 1 year
• Interest rates: 8%
5-28
Present Value of Annuity Due• Concept: Discounting
– Today’s value of future sum– Cash flows at beginning of each period
...
5-29
Present Value of Annuity Due
...
• Assumptions:– Cash flows at beginning of period – 5 annuity-due cash flows of $100
• First cash flow paid today – not discounted • Last cash flow discounted 4 years• All cash flows discounted for one year less than ordinary annuity
• Interest rates: 8%
5-30
Compounding Frequency
• Used in situations that do not use yearly time periods– Semiannual bond payments– Quarterly stock dividends– Consumer loans – monthly payments
5-31
Effect of Compounding Frequency
...
• Assumptions:– $100 deposit today– 12% annual interest rate– Bank compounds interest at six months instead of end of year– Interest is earned on interest
5-32
EARS and APRS
...
• Quoted, or nominal rate called annual percentage rate (APR)• Rate that incorporates compounding called effective annual rate (EAR)• Relationship between APR and EAR:
5-33
EARS vs. APR Example
...
– Assumptions:• Borrow $100 today• 12% annual interest rate• APR: Loan compounds annually -- you pay 12.00% • EARS: Loan compounds monthly -- you pay 12.68%
– Formula to convert APR to EAR:
11212.0
112
EAR
5-34
Finding Payments on Amortized Loan
• Concept:– Rearrange PV of annuity formula to solve for payment
...
5-36