EBK BASICS OF ENGINEERING ECONOMY
EBK BASICS OF ENGINEERING ECONOMY
2nd Edition
ISBN: 8220102797123
Author: Blank
Publisher: YUZU
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Chapter 3, Problem 56P
To determine

Calculate the present worth.

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Centrum Water & Gas provides standby power to pumping stations using diesel-powered generators. An alternative is the use of natural gas to power the generators, but it will be a few years before the gas is available at remote sites. Centrum estimates that by switching to gas, it will save $15,000 per year, starting 3 years from now through the end of year 20. At an interest rate of 8% per year, determine the present worth of the projected savings.
The future worth in year 10 of a geometric gradient series of cash flows was found to be $80,000. If the interest rate was 15% per year and the annual rate of increase was 9% per year, what was the cash flow amount in year 1?
A low-cost non-contact temperature measuring tool may be able to identify railroad car wheels that are in need of repair long before a costly structural failure occurs. If the BNSF railroad saves $100,000 in year 1, $110,000 in year 2, and amounts increasing by $10,000 each year for five years, what is the future worth of the savings in year 5 at an interest rate of 10% per year?

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EBK BASICS OF ENGINEERING ECONOMY

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