Engineering Economy (17th Edition)
17th Edition
ISBN: 9780134870069
Author: William G. Sullivan, Elin M. Wicks, C. Patrick Koelling
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Question
Chapter 11, Problem 11P
(a):
To determine
Calculate the change in the labor hour.
(b):
To determine
Selection of the alternate.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A large city in mid-west needs to buy a street-cleaning
machine. A used vehicle will cost $75000 and has a
market value of $20000 after its five-year life. A new
system cost $150000 and has a market value of
$40000 after five-years. The new system has some
features that reduce labor hours compared with used
system. the used system requires labor hours of 8 hours
per day and 20 days per month. the labor costs are $50
per hour. the MARR is 12%. if the new system is
expected to be able to reduce labor hours by 20%
compared with the used system, which system should
the city purchase? and how many hours must the
system be operated at the break even?
A factory manager bought a rare machine for $10 million. of the machine The sales value at the end of the first year will be $3 million and the machine will be sold by antique dealers. It is estimated to be valued at $500,000 due to the Initial cost of maintenance Expected to be $300,000 in 3 years and double each year thereafter. In this way, the maintenance cost of the 4th year is $600,000, the maintenance cost of the 5th year is $1,200,000, etc. will be. Calculate the economic life of this machine based on the Minimum Attractive Efficiency Ratio of 15%.
A large city in the midwest needs to acquire a street-cleaning machine to keep its roads looking nice year round. A used cleaning vehicle will cost $85,000 and have a $20,000 market (salvage) value at the end of its five-year life. A new system with advanced features will cost $150,000 and have a $40,000 market value at the end of its five-year life. The new system is expected to reduce labor hours compared with the used system. Current street-cleaning activity requires the used system to operate 8 hours per day for 20 days per month. Labor costs $50 per hour (including fringe benefits), and MARR is 12% per year. (11.2) a. Find the breakeven percent reduction in labor hours for the new system. b. If the new system is expected to beable toreduce labor hours by 17% compared with the used system, which machine should the city purchase?
Chapter 11 Solutions
Engineering Economy (17th Edition)
Ch. 11 - Prob. 1PCh. 11 - Refer to Example 11-2. Assuming gasoline costs...Ch. 11 - Prob. 3PCh. 11 - Prob. 4PCh. 11 - Prob. 5PCh. 11 - Prob. 6PCh. 11 - Prob. 7PCh. 11 - Prob. 8PCh. 11 - Prob. 9PCh. 11 - Prob. 10P
Ch. 11 - Prob. 11PCh. 11 - Prob. 12PCh. 11 - Prob. 13PCh. 11 - Prob. 14PCh. 11 - Prob. 15PCh. 11 - Prob. 16PCh. 11 - Prob. 17PCh. 11 - Prob. 18PCh. 11 - Prob. 19PCh. 11 - A bridge is to be constructed now as part of a new...Ch. 11 - An aerodynamic three-wheeled automobile (the Dart)...Ch. 11 - Prob. 23PCh. 11 - Prob. 24SECh. 11 - Prob. 25SECh. 11 - Prob. 26SECh. 11 - Prob. 27SECh. 11 - Prob. 28SECh. 11 - Prob. 29SECh. 11 - Prob. 30FECh. 11 - Prob. 31FECh. 11 - A supermarket chain buys loaves of bread from its...Ch. 11 - A supermarket chain buys loaves of bread from its...Ch. 11 - Prob. 34FECh. 11 - Prob. 35FECh. 11 - Prob. 36FECh. 11 - Prob. 37FECh. 11 - Prob. 38FECh. 11 - Prob. 39FECh. 11 - Prob. 40FECh. 11 - Prob. 41FECh. 11 - Prob. 42FE
Knowledge Booster
Similar questions
- Mr. Russ T. Steele sells his old vehicle for $5000 (you get more if you private salel) and pays cash for a used (but newer vehicle) that costs $10,000. He also understands that he needs to allow for maintenance and operation costs of his vehicle. He estimates that these costs will be approximately $2000 a year and estimates that the costs will increase by $100 per year. He hopes to keep the vehicle for five years and then sell it for an estimated value of $2000. Mr. Steele has an MARR of 8%. The present value of the cash flow associated with his purchase is most nearly: Oa. -$7,400 b.$-12,400 C $12,000 Od.-$15,100arrow_forwardAn appliance manufacturing company intends to produce three models of electric fans. These models are the Stand Fan, Wall Fan, and Ceiling Fan. The table below shows the available information on these three models. Stand Fan P 750.00 P 300.00 How many units of each model should be sold each month to breakeven? Type of Cost Selling Price/Unit Variable Cost/Unit Wall Fan P 500.00 P 250.00 Ceiling Fan P 1,000.00 P 500.00 What are the breakeven sales each month?arrow_forwardPrecision Engineering Factory consumes 50,000 units of a component per year. The ordering, receiving and handling costs are Rs 3 per order while the trucking costs are Rs 12 per order. Further details are as follows: deterioration and obsolescence cost Rs 0.004 per unit per year; interest cost Re 0.06 per unit per year; storage cost Rs 1,000 per year for 50,000 units. Calculate the economic order quality.arrow_forward
- 5. The physical life is always greater than all the other "life" factors under replacement analysis. 6. If breakeven analysis is conducted with PW analysis for different MEAS, it doesn't guarantee that the fastest alternative to reach its breakeven point has also the highest equivalent worth.arrow_forwardTwo numerically controlled drill presses are being considered by the production department of Zunni's Manufacturing; one must be selected. Comparison data is shown in the table below. MARR is 10%/year. Drill Press T Drill Press M Initial Investment Estimated Life Estimated Salvage Value Annual Operating Cost Annual Maintenance Cost Click here to access the TVM Factor Table Calculator $20,000 10 years $5,000 $12,000 $2,000 $30,000 10 years $7,000 $6,000 $4,000arrow_forwardEngineering Economics Two stamping machines are under consideration for purchase by a metal recycling company. The manual model will cost P1,250,000 to buy with an eight-year life and a P250,000 salvage value. Its annual operating costs will be P800,000. A computer-controlled model will cost P4,750,000 to buy and it will have a twelve-year life if upgraded at the end of year six for 750,000. Its terminal salvage value will be P1,150,000, with annual operating costs of P375,500 for labor and P125,000 for maintenance. The company's minimum attractive rate of return is 18%. Compute the Future Worth. Compare the results. Don't use excelarrow_forward
- Two types of power converters are under consideration for a specific application. An economic comparison is to be made using a MARR of 20% and the following cost estimates: Please Show your work Description Service life First cost Alt1 (Alpha) Alt2. (Beta) 7 11 $12,000 $22,000 0 $7,000 Annual operating cost $2,500 $1,200 Salvage value (a) Compute the equivalent annual costs of each alternative and recommend the economically superior alternative. (b) Determine a salvage value for the Beta system such that the Beta system will have an equivalent uniform annual cost equal to the Alpha system.arrow_forward! Required information An electric switch manufacturing company is trying to decide between three different assembly methods. Method A has an estimated first cost of $40,000, an annual operating cost (AOC) of $12,000, and a service life of 2 years. Method B will cost $70,000 to buy and will have an AOC of $6,000 over its 4-year service life. Method C costs $125,000 initially with an AOC of $3,500 over its 8-year life. Methods A and B will have no salvage value, but Method C will have equipment worth 7% of its first cost. Perform a present worth analysis to select the method at /= 12% per year. The present worth of method A is $ The present worth of method B is $ The present worth of method C is $ ✓is selected. Method Carrow_forward! Required information An electric switch manufacturing company is trying to decide between three different assembly methods. Method A has an estimated first cost of $31,000, an annual operating cost (AOC) of $5,000, and a service life of 2 years. Method B will cost $71,000 to buy and will have an AOC of $3,500 over its 4-year service life. Method C costs $117,000 initially with an AOC of $3,500 over its 8-year life. Methods A and B will have no salvage value, but Method C will have equipment worth 7% of its first cost. Perform a present worth analysis to select the method at i = 9% per year. The present worth of method A is $ -114,678.6 The present worth of method B is $ -140,668.2 The present worth of method C is $ -132261.24 Method A is selected.arrow_forward
- Car A costs $800 more than Car B, but it consumes 0.035 gallons/mile versus 0.06 gallons/mile for Car B. Both vehicles last 10 years and B's salvage value is $175 smaller than A's. Fuel costs $2.30/gallon. Other things being equal, beyond how many miles of use per year (x) does A become preferable to B?arrow_forwardGeorge has just finished the cost analysis of a brass pump with and without an interior coating. The brass pump will last 3 years, but if an interior coating is applied, less energy will be needed for pumping. The interior coating costs $300, and the energy savings is $120 per year. George claims that the coating will save $60. Is George's work correct? If not, what has George done wrong?arrow_forwardAn electronics firm invested $60,000 in a precision inspection device. It cost $4000 to operate and maintain in the first year and $3000 in each of the subsequent years. At the end of 4 years, the firm changed their inspection procedure, eliminating the need for the device. The purchasing agent was very fortunate in being able to sell the inspection device for $60,000, the original price. The plant manager asks you to compute the equivalent uniform annual cost of the device during the 4 years it was used. Assume interest at 6% per year. Please show work, preferably not with excel. Will Upvote!arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Principles of Economics (12th Edition)EconomicsISBN:9780134078779Author:Karl E. Case, Ray C. Fair, Sharon E. OsterPublisher:PEARSON
Engineering Economy (17th Edition)EconomicsISBN:9780134870069Author:William G. Sullivan, Elin M. Wicks, C. Patrick KoellingPublisher:PEARSON
Principles of Economics (MindTap Course List)EconomicsISBN:9781305585126Author:N. Gregory MankiwPublisher:Cengage Learning
Managerial Economics: A Problem Solving ApproachEconomicsISBN:9781337106665Author:Luke M. Froeb, Brian T. McCann, Michael R. Ward, Mike ShorPublisher:Cengage Learning
Managerial Economics & Business Strategy (Mcgraw-...EconomicsISBN:9781259290619Author:Michael Baye, Jeff PrincePublisher:McGraw-Hill Education
Principles of Economics (12th Edition)
Economics
ISBN:9780134078779
Author:Karl E. Case, Ray C. Fair, Sharon E. Oster
Publisher:PEARSON
Engineering Economy (17th Edition)
Economics
ISBN:9780134870069
Author:William G. Sullivan, Elin M. Wicks, C. Patrick Koelling
Publisher:PEARSON
Principles of Economics (MindTap Course List)
Economics
ISBN:9781305585126
Author:N. Gregory Mankiw
Publisher:Cengage Learning
Managerial Economics: A Problem Solving Approach
Economics
ISBN:9781337106665
Author:Luke M. Froeb, Brian T. McCann, Michael R. Ward, Mike Shor
Publisher:Cengage Learning
Managerial Economics & Business Strategy (Mcgraw-...
Economics
ISBN:9781259290619
Author:Michael Baye, Jeff Prince
Publisher:McGraw-Hill Education