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BUSI 2504
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Robert Riordan
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Description

CHAPTER 5
INTRODUCTION TO VALUATION: THE TIME VALUE
OF MONEY
Learning Objectives
LO1 How to determine the future value of an investment made today.
LO2 How to determine the present value of cash to be received at a future date.
LO3 How to find the return on an investment.
LO4 How long it takes for an investment to reach a desired value.
Answers to Concepts Review and Critical Thinking Questions
2. (LO1, 2) Compounding refers to the growth of a dollar amount through time via reinvestment of
interest earned. It is also the process of determining the future value of an investment. Discounting is
the process of determining the value today of an amount to be received in the future.
4. (LO1, 2) The future value rises (assuming it’s positive); the present value falls.
6. (LO2) The key considerations would be: (1) Is the rate of return implicit in the offer attractive relative
to other, similar risk investments? and (2) How risky is the investment; i.e., how certain are we that
we will actually get the $10,000? Thus, our answer does depend on who is making the promise to
repay.
8. (LO2) The price would be higher because, as time passes, the price of the security will tend to rise
toward $100. This rise is just a reflection of the time value of money. As time passes, the time until
receipt of the $100 grows shorter, and the present value rises. In 2010, the price will probably be
higher for the same reason. We cannot be sure, however, because interest rates could be much higher,
or Ontario’s financial position could deteriorate. Either event would tend to depress the security’s
price.
Solutions to Questions and Problems
NOTE: All end of chapter problems were solved using a spreadsheet. Many problems require multiple
steps. Due to space and readability constraints, when these intermediate steps are included in this
solutions manual, rounding may appear to have occurred. However, the final answer for each problem is
found without rounding during any step in the problem.
Basic
1. (LO1) The simple interest per year is:
$5,000 × .06 = $300
So after 10 years you will have:
$300 × 10 = $3,000 in interest.
The total balance will be $5,000 + 3,000 = $8,000
With compound interest we use the future value formula:
FV = PV(1 +r) t
S5-1 FV = $5,000(1.06) = $8,954.24
The difference is:
$8,954.24 – 8,000 = $954.24
2. (LO1) To find the FV of a lump sum, we use:
FV = PV(1 + r) t
16
FV = $2,250(1.10) 13 = $ 10,338.69
FV = $8,752(1.08) = $ 23,802.15
FV = $76,355(1.17) 4 = $143,080.66
12
FV = $183,796(1.07) = $413,943.81
4. (LO3) To answer this question, we can use either the FV or the PV formula. Both will give the same
answer since they are the inverse of each other. We will use the FV formula, that is:
FV = PV(1 + r) t
Solving for r, we get:
1 / t
r = (FV / PV) – 1
FV = $307 = $240(1 + r) ; 2 r = ($307 / $240) – 12 = 13.10%
10 1/10
FV = $896 = $360(1 + r) ; 15 r = ($896 / $360) – 1 1/15 = 9.55%
FV = $174,384 = $39,000(1 + r) ; r = ($174,384 / $39,000) – 1 = 10.50%
FV = $483,500 = $38,261(1 + r) ; 30 r = ($483,500 / $38,261) 1/30– 1 = 8.82%
6. (LO3) To answer this question, we can use either the FV or the PV formula. Both will give the same
answer since they are the inverse of each other. We will use the FV formula, that is:
t
FV = PV(1 + r)
Solving for r, we get:
r = (FV / PV) 1 /– 1
r = ($280,000 / $50,000) 1/1– 1 = 10.04%
7. (LO4) To find the length of time for money to double, triple, etc., the present value and future value
are irrelevant as long as the future value is twice the present value for doubling, three times as large
for tripling, etc. To answer this question, we can use either the FV or the PV formula. Both will give
the same answer since they are the inverse of each other. We will use the FV formula, that is:
t
FV = PV(1 + r)
Solving for t, we get:
t = ln(FV / PV) / ln(1 + r)
The length of time to double your money is:
FV = $2 = $1(1.09) t
t = ln 2 / ln 1.09 = 8.04 years
The length of time to quadruple your money is:
S5-2 t
FV = $4 = $1(1.09)
t = ln 4 / ln 1.09 = 16.09 years
Notice that the length of time to quadruple your money is twice as long as the time needed to double
your money (the difference in these answers is due to rounding). This is an important concept of time
value of money.
8. (LO3) To answer this question, we can use either the FV or the PV formula. Both will give the same
answer since they are the inverse of each other. We will use the FV formula, that is:
FV = PV(1 + r) t
Solving for r, we get:
1 / t
r = (FV / PV) – 1 1/5
r = ($27,958 / $21,608) – 1 = 5.29%
10. (LO2) To find the PV of a lump sum, we use:
PV = FV / (1 + r) t
20
PV = $700,000,000 / (1.065) = $198,657.92
12. (LO1) To find the FV of a lump sum, we use:
FV = PV(1 + r) t
FV = $50(1.045) 102= $4,454.84
13. (LO1, 3) To answer this question, we can use either the FV or the PV formula. Both will give the
same answer since they are the inverse of each other. We will use the FV formula, that is:
FV = PV(1 + r) t
Solving for r, we get:
r = (FV / PV) 1 /– 1
1/111
r = ($1,170,000 / $150) – 1 = 8.41%
To find the FV of the first prize, we use:
FV = PV(1 + r) t
FV = $1,170,000(1.0841) = $18,212,056.26
14. (LO2) To find the PV of a lump sum, we use:
t
PV = FV / (1 + r)
67
PV = $485,000 / (1.2590) = $0.10
Intermediate
16. (LO3) To answer this question, we can use either the FV or the PV formul

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