Contemporary Engineering Economics (6th Edition)
6th Edition
ISBN: 9780134105598
Author: Chan S. Park
Publisher: PEARSON
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Textbook Question
Chapter 7, Problem 49P
Consider the investment projects given in Table P7.49.
Assume that MARR = 15%.
- (a) Compute the
IRR for each project. - (b) On the basis of the IRR criterion, if the three projects are mutually exclusive investments, which project should be selected?
TABLE P7.49
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❖ Problem 1
Using Microsoft Excel, create an investment cash-flow diagram that will have a present worth of
zero using MARR = 12.75%. The study period needs to be exactly 10 years and each year should
have at least one unique cash flow that is different from the cash flows over the other years. Your
answer should contain a table showing the cash flows for each year and a graphical representation
of the cash flows (cash-flow diagram).
An aircraft hangar requires a new high-efficiency HVAC system for environmental control and reducing
heating and cooling expenses. The cost of the HVAC system is $5.0 million, and the annual savings are
expected to be $400,000. The useful life of the HVAC system is 20 years, and its residual value is zero.
a) What is the simple payback period?
b) What is the internal rate of return? (Note: You can use the tables in the book or Excel to find the
IRR, but in either case show work and/or cut & paste a spreadsheet. If using the tables an
approximate answer will be acceptable)
The following cash flows result from a potential construction project for your company:
1. Receipts of $505,000 at the start of the contract and $1,200,000 at the end of the fourth year
2. Expenditures at the end of the first year of $400,000 and at the end of the second year of $900,000
3. A net cash flow of $0 at the end of the third year.
Using an appropriate rate of return method (Approximate ERR), for a MARR of 20%, should your company accept this project
(Perform all calculations using 5 significant figures and round your answer to one decimal place. Also remember that text
answers are case-sensitive):?
Answers entered using text are case sensitive!
What is the approximate ERR for this project? Number
Should your company undertake this project? (Enter either 'Yes' or 'No'):
%
Chapter 7 Solutions
Contemporary Engineering Economics (6th Edition)
Ch. 7 - Prob. 1PCh. 7 - Prob. 2PCh. 7 - Prob. 3PCh. 7 - Prob. 4PCh. 7 - Prob. 5PCh. 7 - Prob. 6PCh. 7 - Prob. 7PCh. 7 - Prob. 8PCh. 7 - Prob. 9PCh. 7 - Prob. 10P
Ch. 7 - Prob. 11PCh. 7 - Prob. 12PCh. 7 - Prob. 13PCh. 7 - Prob. 14PCh. 7 - Consider an investment project with the cash flows...Ch. 7 - Consider the investment projects given in Table...Ch. 7 - Prob. 17PCh. 7 - Prob. 18PCh. 7 - Consider the investment projects given in Table...Ch. 7 - Consider the investment projects given in Table...Ch. 7 - Prob. 21PCh. 7 - Prob. 22PCh. 7 - Consider the investment projects given in Table...Ch. 7 - Prob. 24PCh. 7 - Prob. 25PCh. 7 - Prob. 26PCh. 7 - Prob. 27PCh. 7 - Prob. 28PCh. 7 - Prob. 29PCh. 7 - Prob. 30PCh. 7 - Prob. 31PCh. 7 - Prob. 32PCh. 7 - Prob. 33PCh. 7 - Prob. 34PCh. 7 - Prob. 35PCh. 7 - Prob. 36PCh. 7 - Prob. 37PCh. 7 - Prob. 38PCh. 7 - Prob. 39PCh. 7 - Prob. 40PCh. 7 - Prob. 41PCh. 7 - Prob. 42PCh. 7 - Consider the two mutually exclusive investment...Ch. 7 - You are considering two types of automobiles....Ch. 7 - Prob. 45PCh. 7 - Prob. 46PCh. 7 - Fulton National Hospital is reviewing ways of...Ch. 7 - Prob. 48PCh. 7 - Consider the investment projects given in Table...Ch. 7 - Prob. 50PCh. 7 - Prob. 51PCh. 7 - Prob. 52PCh. 7 - Prob. 53PCh. 7 - Prob. 54PCh. 7 - Prob. 55PCh. 7 - Prob. 56PCh. 7 - Prob. 57PCh. 7 - Prob. 1STCh. 7 - Prob. 2STCh. 7 - Prob. 3STCh. 7 - Prob. 4STCh. 7 - Prob. 5ST
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