Chapter 5: Time Value of Money 73
P5-37. Compounding frequency, time value, and effective annual rates
LG 5; Intermediate
a. Compounding frequency:
AN 10, I 3%, PV $2,500 BN 18, I 2%, PV $50,000
CN 10, I 5%, PV $1,000 DN 24, I 4%, PV $20,000
b. Effective interest rate: ieff (1 r%/m)m – 1
Aieff (1 0.06/2)2 1 Bieff (1 0.12/6)6 1
Cieff (1 0.05/1)1 1 Dieff (1 0.16/4)4 – 1
c. The effective rates of interest rise relative to the stated nominal rate with increasing compounding
frequency.
P5-38. Continuous compounding: FVcont. PVex (e 2.7183)
LG 5; Intermediate
P5-39. Personal finance: Compounding frequency and time value
LG 5; Challenge
a. (1) N 10; I 8%, PV $2,000 (2) N 20, I 4%, PV $2,000
(3) N 3650; I 8 365 0.022, PV $2,000 (4) FV10 $2,000(e0.8)
b. (1) ieff (1 0.08/1)1 1 (2) ieff (1 0.08/2)2 1
(3) ieff (1 0.08/365)365 1 (4) ieff (ek 1)
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74 Gitman/Zutter Principles of Managerial Finance, Brief, Seventh Edition
d. The more frequent the compounding the larger the future value. This result is shown in part a by the
P5-40. Personal finance: Comparing compounding periods
LG 5; Challenge
a. (1) Annually: N 2, I 12%, PV $15,000
(2) Quarterly: N 2 4 8; I 12 4 3%, PV $15,000
(3) Monthly: N 2 12 24; I 12 12 1%; PV $15,000
(4) Continuously: FVcont. PVerx t
b. The future value of the deposit increases from $18,816 with annual compounding to $19,068.77 with
c. The maximum future value for this deposit is $19,068.77, resulting from continuous compounding, which
P5-41. Personal finance: Annuities and compounding
LG 3, 5; Intermediate
a.
(1) Annual
(2) Semiannual
(3) Quarterly
b. The sooner a deposit is made, the sooner the funds will be available to earn interest and contribute to
P5-42. Deposits to accumulate growing future sum
LG 6; Basic
Case Terms Calculation Payment
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Chapter 5: Time Value of Money 75
P5-43. Personal finance: Creating a retirement fund
LG 6; Intermediate
a. N 42, I 8%, FV $220,000 b. N 42, I 8%, PMT $600
P5-44. Personal finance: Accumulating a growing future sum
LG 6: Intermediate
Step 1: Determining the cost of a home in 20 years.
Step 2: Determining how much has to be saved annually to afford a home.
P5-45. Personal finance: Deposits to create a perpetuity
LG 3, 6; Intermediate
a. Present value of a perpetuity PMT r
P5-46. Personal finance: Inflation, time value, and annual deposits
LG 2, 3, 6; Challenge
a. N 25, I 5%, PV $200,000
b. N 25, I 9%, FV $677,270.99
c. Because John will have an additional year on which to earn interest at the end of the 25 years, his
annuity due deposit will be smaller each year. To determine the annuity amount, John will first
discount back the $677,200 one period.
P5-47. Loan payment
LG 6; Basic
Loan
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76 Gitman/Zutter Principles of Managerial Finance, Brief, Seventh Edition
CN 30, I 10%, PV $75,000 DN 5, I 15%, PV $4,000
P5-48. Personal finance: Loan amortization schedule
LG 6; Intermediate
a. N 3, I 14%, PV $15,000
b.
End of
Year
Loan
Payment
Beginning-of-
Year Principal
Payments End-of-Year
Principal
Interest Principal
c. Through annual end-of-the-year payments, the principal balance of the loan is declining, causing less
P5-49. Loan interest deductions
LG 6; Challenge
a. N 3, I 13%, PV $10,000
b.
End of
Year
Loan
Payment
Beginning-of-
Year Principal
Payments End-of-Year
Principal
Interest Principal
P5-50. Personal finance: Monthly loan payments
LG 6; Challenge
a. N 12 2 24, I 12%/12 1%, PV $4,000 ($4,500 500)
b. N 12 2 24, I 9%/12 0.75%, PV $4,000
P5-51. Growth rates
LG 6; Basic
a. Case
AN 4, PV $500, FV $800.BN 9, PV $1,500, FV $2,280
CN 6, PV $2,500, FV $2,900
b. Case
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Chapter 5: Time Value of Money 77
P5-52. Personal finance: Rate of return
LG 6, Intermediate
a. N 3, PV $1,500, FV $2,000
P5-53. Personal finance: Rate of return and investment choice
LG 6; Intermediate
a. AN 6, PV 5,000, FV $8,400 BN 15, PV $5,000, FV $15,900
CN 4, PV $5,000, FV $7,600 DN 10, PV $5,000, FV $13,000
b. Investment C provides the highest return of the four alternatives. Assuming equal risk for the
P5-54. Rate of return-annuity
LG 6; Basic
P5-55. Personal finance: Choosing the best annuity
LG 6; Intermediate
a. Annuity A Annuity B
b. Annuity B gives the highest rate of return at 9% and would be the one selected based upon Raina’s
criteria.
P5-56. Personal finance: Interest rate for an annuity
LG 6; Challenge
a. Defendants interest rate assumption
b. Prosecution interest rate assumption
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78 Gitman/Zutter Principles of Managerial Finance, Brief, Seventh Edition
c. N 25, I 9%, PV $2,000,000
P5-57. Personal finance: Loan rates of interest: PVAn PMT(PVIFAi%,n)
LG 6; Intermediate
a. Loan A Loan B
Loan C
b. Mr. Fleming should choose Loan B, which has the lowest interest rate.
P5-58. Number of years to equal future amount
LG 6; Intermediate
AI 7%, PV $300, FV $1,000 BI 5%, PV $12,000, FV $15,000
CI 10%, PV $9,000, FV $20,000 DI 9%, PV $100, FV $500
EI 15%, PV $7,500, FV $30,000
P5-59. Personal finance: Time to accumulate a given sum
LG 6; Intermediate
a. I 10%, PV $10,000, FV $20,000
b. I 7%, PV $10,000, FV $20,000
c. I 12%, PV $10,000, FV $20,000
P5-60. Number of years to provide a given return
LG 6; Intermediate
AI 11%, PV $1,000, PMT $250 BI 15%, PV $150,000, PMT $30,000
CI 10%, PV $80,000, PMT $10,000 DI 9%, PV $600, PMT 275
EI 6%, PV $17,000, PMT $3,500
P5-61. Personal finance: Time to repay installment loan
LG 6; Intermediate
a. I 12%, PV $14,000, PMT $2,450
b. I 9%, PV $14,000, PMT $2,450
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Chapter 5: Time Value of Money 79
c. I 15%, PV $14,000, PMT $2,450
P5-62. Ethics problem
LG 6; Intermediate
This is a tough issue. Even back in the Middle Ages, scholars debated the idea of a “just price.” The
ethical debate hinges on (1) the basis for usury laws, (2) whether full disclosure is made of the true cost of
the advance, and (3) whether customers understand the disclosures. Usury laws are premised on the notion
Case
Case studies are available on www.myfinancelab.com.
Finding Jill Moran’s Retirement Annuity
Chapter 5’s case challenges the student to apply present value and future value techniques to a real-world situation.
The first step in solving this case is to determine the total amount Sunrise Industries needs to accumulate until Ms.
Moran retires, remembering to take into account the interest that will be earned during the 20-year payout period. Once
that is calculated, the annual amount to be deposited can be determined.
a.
b. Total amount to accumulate by end of year 12
c. End-of-year deposits at 9% interest
d. End-of-year deposits, 10% interest
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80 Gitman/Zutter Principles of Managerial Finance, Brief, Seventh Edition
e. Initial deposit if annuity is a perpetuity and initial deposit earns 9%:
PVperp PMT r
Spreadsheet Exercise
The answer to Chapter 5’s Uma Corporation spreadsheet problem is located on the Instructors Resource Center at
www.pearsonhighered.com/irc under the Instructors Manual.
Group Exercise
Group exercises are available on www.myfinancelab.com.
This set of deliverables concerns each group’s fictitious firm. The first scenario involves the replacement of a copy
machine. The first decision pertains to a choice between competing leases, while the second is choosing among
For the savings plan the groups are asked to look at several deposit options, while for the computer upgrade purchase
an amortization schedule must be developed. Modifications or even elimination of one of these scenarios is
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