Hydrochloric acid, which fumes at room temperatures, creates a very corrosive work environment. A mixing machine working in thisenvironment is deteriorating fast and can be used for only 1 more year, at which time it will be scrapped. It was purchased 3 years agofor $88,000 and its operating cost for the next year is expected to be $67,000. A more corrosion-resistant challenger will cost$226,000 with an operating cost of $54,000 per year. It is expected to have a $60,000 salvage value after its 10-year ESL. At aninterest rate of 15% per year, what minimum trade-in value will make the challenger economically attractive?On equating the AW values of the defender and the challenger, to calculate the minimum trade-in value of the challenger,the spreadsheet tool that should be used is GOAL SEEKThe minimum trade-in value that will make the challenger economically attractive will be $ 74,457

Step 1: To compute the Minimum trade-in -value, the annual worth of the current and the new machine…

Answered: Hydrochloric acid, which fumes at room…

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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Machine A was purchased 5 years ago for $90,000. Its operating cost is higher than expected, so it will be used for only 4 more years. Its operating cost this year will be $40,000, increasing by $2000 per year through the end of its useful life. The challenger, machine B, will cost $150,000 with a $50,000 salvage value after its 10-year ESL. Its operating cost is expected to be$10,000 for year 1, increasing by $500 per year thereafter. What is the market value for machine A that would make the two machines equally attractiveat an interest rate of 12% per year?
A specialty concrete mixer used in construction was purchased for $300,000 7 years ago. Its annual O&M costs are $105,000. At the end of the 8-year planning horizon, the mixer will have a salvage value of $5,000. If the mixer is replaced, a new mixer will require an initial investment of $375,000. At the end of the 8-year planning horizon, it will have a salvage value of $45,000. Its annual O&M cost will be only $40,000 due to newer technology. Analyze this using an EUAC measure and a MARR of 15 percent to see if the concrete mixer should be replaced if the old mixer is sold for its market value of $65,000. a. Use the cash ﬂow approach (insider’s viewpoint approach) b. use the opportunity cost approach (outsiders viewpoint approach) Include formulas in excel screen shots.
A specialty concrete mixer used in construction was purchased for $300,000 7 years ago. Its annual O&M costs are $105,000. At the end of the 8-year planning horizon, the mixer will have a salvage value of $5,000. If the mixer is replaced, a new mixer will require an initial investment of $375,000 and at the end of the 8-year planning horizon, the new mixer will have a salvage value of $45,000. Its annual O&M cost will be only $40,000 due to newer technology. Use an EUAC measure and a MARR of 15% to see if the concrete mixer should be replaced if the old mixer is sold for its market value of $65,000. Solve, a. Use the cash flow approach (insider’s viewpoint approach). b. Use the opportunity cost approach (outsider’s view point approach).
Do the operating costs differ between the defender and challenger? Explain how?
3. Angstrom Technologies intends for the company to use the newest and finest equipment in its labs. Precision measurement equipment was purchased 7 years ago for $160,000. Last year a replacement study was performed with the decision to retain for 3 more years. The situation has changed. The equipment is estimated to have a value of $8000 if "scavenged" for parts now or anytime in the future. If kept in service, it can be minimally upgraded at a cost of $43,000 to make it usable for up to 2 more years. Its operating cost is estimated at $22,000 the first year and $25,000 the second year. Alternatively, the company can purchase a new system that will have an equivalent annual worth of $47,063 per year over its ESL. The company uses a MARR of 10% per year. Use annual worth analysis to determine when the company should replace the machine.
PLEASE SHOW GIVEN AND REQUIRED. THANK U Machine A was purchased last year for $20,000 and had an estimated market value of $2000 at the end of its 6-year useful life. Annual operating costs are $2000. The machine will perform satisfactorily over the next 5 years. A salesperson for another company is offering a replacement, Machine B, for $14,000, with a market value of $1,400 after 5 years. Annual operating costs for Machine B will only be $1,400. A trade-in allowance of $10,400 has been offered for Machine A. If the MARR is 12% per year, should you buy the new machine? Use RORAI method. Write a brief interpretation of your answer.
The following data shows the different sizes of pipes which a company wishes to use as a replacement for the old pipesystem that they are using.Diameter 100mm Cost of Pipe-P1800000 Annual Maintenance Cost-P88000 Operating cost/hour=P480Diameter 150mm Cost of Pipe-Pl 120000 Annual Maintenance Cost-Pl 36000 Operating cost/hour=P500Diameter 250mm Cost of Pipe-Pl 000000 Annual Maintenance Cost-P60000 Operating cost/hour=P620Total number of operating hours per year 500Replacement is done every 10 yearsMoney is worth 10% annuallyCompute the equivalent annual cost of the 100mm pipe.
QUESTION 3 Because it fumes at room temperatures, hydrochloric acid creates a very corrosive work environment. A machine working in that environment is deteriorating quickly and can be used for only one more year, at which time it will be scrapped with no salvage value. It was purchased 3 years ago for $88,000, and its operating cost for the next year is expected to be $57,000. A more corrosion-resistant challenger will cost $212,000 with an operating cost of $55,000 per year. It is expected to have a $50,000 salvage value after its 10- year ESL. At an interest rate of 11% per year, what minimum replacement value would render the challenger attractive? The Replacement Value, (in $)
A 10-year-old backup power system is being considered for early replacement. Its current market value is $16,000. Estimated future market values (MV) and annual operating costs (AOC) for the next 5 years are given in the following table. What is the economic service life of this defender if the interest rate is Z% per year using AW analysis? Year MV AOC 1 10000 -5000 8000 -6500 6000 -8000 4 2000 -9500 -12500 [Hint: the value of Z = |last digit of your unique id+2nd digit of your unique id], Example: if your id is 201-021-651 then Z = |1+2| = 3.00%, so, interest rate will be 3.00%) 3.
A 5 year-old tooling kit that was purchased new for $9000 has a current market value of $4000 and expected 0&M costs of $3000, increasing by $1200 per year. Future market values are expected to decline by 25% annually (going forward). The kit can be used for another 3 years at most. The optimal replacement kit costs $8000 and has 0&M costs starting at $2500 per year, increasing by $2000 per year. Salvage value for the new kit at the end of the first year is $4000 and falls by $1000 per year thereafter (until zero). The new model kit will be needed indefinitely. Assume a unique minimum AEC~(15%) for both kits (both the current and replacement kit). The MARR is 15%. 1) What is the AECC• ? a) Less than 6925.70 b) 6925.70-6945.70 c) 6945.70-6965.70 ) d) 6965.70-6985.70 e) More than 6985.70
How can we calculate the Economic Service Life for Defender?
Because it fumes at room temperatures, hydrochloric acid creates a very corrosive work environment. A machine, working in that environment, is deteriorating fast and can be used for only 1 more year, at which time it will be scrapped with no salvage value. It was purchased 3 years ago for $88,000; its operating cost for the next year is expected to be $53,000. A more corrosion-resistant challenger will cost $226,000 with an operating cost of $48,000 per year. It is expected to have a $60,000 salvage value after its 10-year ESL. At an interest rate of 15% per year, what minimum replacement value would render the challenger attractive?

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