
Answers to exercises
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NPV calculation
Year 0 1 2 3 4 5
$ $ $ $ $ $
Capitalequipment (120,000) 45,000
Savingsbeforetax50,000 50,000 50,000 50,000
Taxonsavings(30%)(15,000) (15,000) (15,000) (15,000)
Casheffectofallowances 9,000 6,750 5,063 3,797 (2,109)
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Netcashflow (120,000) 59,000 41,750 40,063 83,797 (17,109)
DCFfactorat11% 1.000 0.901 0.812 0.731 0.659 0.593
PVofcashflow (120,000) 53,159 33,901 29,286 55,222 (10,146)
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NPV +41,422
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The NPV is + $41,422. This indicates that the project should be undertaken.
Exercise 2
Cash flows with inflation
Year
Machine Revenue Costs
Netcash
flow
DCFfactor
at16% PV
$ $ $ $ $
0 (200,000) (200,000) 1.000 (200,000)
1214,000 (112,000) 102,000 0.862 87,924
2228,980 (125,440) 103,540 0.743 76,930
3306,261 (175,616) 130,645 0.641 83,743
4196,619 (118,014) 78,605 0.552 43,390
5 25,526 140,255 (88,117) 77,664 0.476 36,968
+128,955
Chapter 10: DCF: risk and uncertainty
Exercise 1
Discount
factorat
10%
Strongeconomy
Probability0.75
Weakeconomy
Probability0.25
YearCashflow PV Cashflow PV
$ $ $ $
0 1.000 (1,000,000) (1,000,000) (1,000,000) (1,000,000)
1 0.909 400,000 363,600 100,000 90,900
2 0.826 600,000 495,600 300,000 247,800
3 0.751 400,000 300,400 200,000 150,200
4 0.683 300,000 204,900 50,000 34,150
NPV 364,500 (476,950)