2. Only one of three different machines is to be purchased for a certain production process. An engineer performed the following analyses to select the best machine. All machines are assumed to have a 10-year life. Which machine, if any, should the company select if its MARR is 20% per year? 1 2 3 Initial cost, S Annual cost, S/year Annual savings, S/year ROR, % -44,000 -70,000 _80,000 18.6 -60,000 -64,000 +80,000 23.4 -72,000 -61,000 +80,000 23.1

2. Only one of three different machines is to be purchased for a certain production process. An engineer performed the following analyses to select the best machine. All machines are assumed to have a 10-year life. Which machine, if any, should the company select if its MARR is 20% per year? 1 2 3 Initial cost, S Annual cost, S/year Annual savings, S/year ROR, % -44,000 -70,000 _80,000 18.6 -60,000 -64,000 +80,000 23.4 -72,000 -61,000 +80,000 23.1

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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A solid-waste recycling plant is considering two types of storage bins. Use ROR evaluation and an MARR of 46% per year to determine which should be selected. Storage Bin First Cost, $ AOC, $ per Year Salvage Value, $ Life, Years P -24,000 -4000 1800 3 Q -35,000 -2000 2600 6 Since A/* is (Click to select) MARR of 46%, (Click to select) should be selected.
As an engineer, you are responsible to find the best alternative that is economically best. The cash flows shown in the table and the MARR is 11 % per year. Then please answer the following questions. Cash Flow Project 01 Project 02 Project 03 First Cost, $ -90000 220000 230000 Annual Cost, $ Per Year -60000 -21000 -17000 Overhaul Every 10 Years, $ _ _ -60000 Salvage Value, $ 8000 29000 11000 Life, Years 3 10 a) Find the Aw for Project 01. b) calculate the AW for Project 02 c) Calculate Aw for Project 03. What is your decision?
In AW OF MACHINE A FIRST COST - 27056 ANNUAL COST - 12.786 Salvage value - 4172 Life year - 3 In AWA MACHINE B first cost - 102616 Salvage value - 9501 Life - Infine ( all values in $) Sorry may b picture is not so clear please tell me how to calculate
Buying Equipment 1 from XYZ company and company ABC will give the production similar productivity input of 400,000.00 per year. The equipment from company XYZ has a purchase price of 200,000.00, annual maintenance of 5,000.00, and production life of 10 years, while the equipment from company ABC has a purchase price of 100,000.00, annual maintenance of 2,000.00, and production life of 12. Using present worth method, what is the present values of their purchase profit? Use MARR of 20%
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Why is it -1000 at NVP (Beta), not -10000
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In comparing the machines on a present worth basis, the present worth of machine X, the cost of money is 10% per year, is closest to Machine X Machine Y Initial cost, $ -66,000 -46,000 Annual cost, $/year Salvage value, $ Life, years -10,000 -15,000 10,000 24,000 3. $-103,908 $-87,840 None of the answers S-65,270
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