EBK ENGINEERING ECONOMY
16th Edition
ISBN: 9780133819014
Author: Koelling
Publisher: YUZU
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Chapter 10, Problem 7P
To determine
Calculate the time period.
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A city government is considering two types of town-dump sanitary systems. Design A requires an initial outlay of $354,000 with annual operating and maintenance costs of $45,000 for the next 16 years; design B calls for an investment of $277,000 with annual operating and maintenance costs of $67,000 per
year for the next 16 years. Fee collections from the residents would again be $90,000 per year. The interest rate is 11%, and no salvage value is associated with either system.
Click the icon to view the interest factors for discrete compounding when i= 11% per year.
(a) Using the benefit-cost ratio BC(), which system should be selected?
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Design A
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Juba city council is considering to construct a sewage management system, the construction of this system will take 3 years before commissioning. the initial capital outlay is estimated to be $10m after commissioning, the juba city council will incur an annual operation and maintenance cost in the amount of $500,000. the sewage management system will generate an annual benefit of $ 2.5m.
the sewage management system will have useful life of 27 years. the city council use 5% discount rate to appraise public project.
Required.
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For each of the following problems, (a) draw the cash flow diagram; (b) present clean and clear manual solutions to the problem; (c) highlight the final answer (only the final answer as required by the problem) by enclosing it within a box.
An existing robot can be kept if $2,000 is spent now to upgrade it for future service requirements. Alternatively, the company can purchase a new robot to replace the old robot. The following estimates have been developed for both the defender and challenger. The company’s MARR is 20% per year. Based on this information? Should the existing robot be replaced now? Assume the robot will be needed for an indefinite period of time.
Defender
Challenger
Current MV
$38,000
Purchase Price
$51,000
Required Upgrade
$2,000
Installation Cost
$5,500
Annual Expenses
$1,400
Annual Expenses
$1,000
Salvage Value
- $1,500
Salvage Value
$7,000
Chapter 10 Solutions
EBK ENGINEERING ECONOMY
Ch. 10 - The Adams Construction Company is bidding on a...Ch. 10 - Prob. 2PCh. 10 - Prob. 3PCh. 10 - A retrofitted space-heating system is being...Ch. 10 - Prob. 5PCh. 10 - Prob. 6PCh. 10 - Prob. 7PCh. 10 - Prob. 8PCh. 10 - Prob. 9PCh. 10 - Prob. 10P
Ch. 10 - Prob. 11PCh. 10 - Prob. 12PCh. 10 - Prob. 13PCh. 10 - Prob. 14PCh. 10 - Prob. 15PCh. 10 - Prob. 16PCh. 10 - Four mutually exclusive projects are being...Ch. 10 - Two municipal cell tower designs are being...Ch. 10 - Prob. 19PCh. 10 - Prob. 20PCh. 10 - Prob. 21PCh. 10 - Prob. 22PCh. 10 - You have been requested to recommend one of the...Ch. 10 - Prob. 24PCh. 10 - Prob. 25PCh. 10 - Prob. 26FECh. 10 - Prob. 27FECh. 10 - Prob. 28FECh. 10 - A flood control project with a life of 16 years...Ch. 10 - Prob. 30FECh. 10 - Prob. 31FE
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