A remotely located air sampling station can be powered by solar cells or by running an electric line to the site and using conventional power. Solar cells will cost $19,000 to install and will have a useful life of 4 years with no salvage value. Annual costs for inspection, cleaning, etc. are expected to be $1,100. A new power line will cost $9,000 to install, with power costs expected to be $800 per year. Since the air sampling project will end in 4 years, the salvage value of the line is considered to be zero. At an interest rate of 14% per year, which alternative should be selected on the basis of a future worth analysis? Which alternative should be selected? (A) Solar Cells B) Electric Cells

A remotely located air sampling station can be powered by solar cells or by running an electric line to the site and using conventional power. Solar cells will cost $19,000 to install and will have a useful life of 4 years with no salvage value. Annual costs for inspection, cleaning, etc. are expected to be $1,100. A new power line will cost $9,000 to install, with power costs expected to be $800 per year. Since the air sampling project will end in 4 years, the salvage value of the line is considered to be zero. At an interest rate of 14% per year, which alternative should be selected on the basis of a future worth analysis? Which alternative should be selected? (A) Solar Cells B) Electric Cells

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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Help....... Solve Write Company has a maximum capacity of 200,000 units per year. Variable manufacturing costs are $12 per unit. Fixed overhead is $600,000 per year. Variable selling and administrative costs are $5 per unit, and fixed selling and administrative costs are $300,000 per year. The current sales price is $23 per unit. A. What is the breakeven point in (a) sales units and (b) sales dollars? B. How many units must the Write Company sells to earn a profit of $240,000 per year?
A tractor for over-the-road hauling is to be purchased by AgriGrow for $90,000. It is expected to be of use to the company for 6 years, after which it will be salvaged for $4,000. Transportation cost savings are expected to be $170,000 per year; however, the cost of drivers is expected to be $70,000 per year and operating expenses are expected to be $63,000 per year, including fuel, maintenance, insurance and the like. The company’s income-tax rate is 25% and MARR is 10% on after-tax cash flows. Suppose that, to AgriGrow’s surprise, they actually dispose of the tractor at the end of the 4th tax year for $6,000. Develop tables using a spreadsheet to determine the ATCF for each year and the after-tax PW, AW, IRR, and ERR after only 4 years. Use MACRS-GDS and state the appropriate property class. Only calculate PW and IRR
A remotely located air sampling station can be powered by solar cells or by running an above ground electric line to the site and using conventional power. Solar cells will cost $16,600 to install and will have a useful life of 5 years with no salvage value. Annual costs for inspection, cleaning, etc., are expected to be $2400. A new power line will cost $31,000 to install, with power costs expected to be $1000 per year. Since the air sampling project will end in 5 years, the salvage value of the line is considered to be zero. At an interest rate of 10% per year, (b) what must be the first cost of the above ground line to make the two alternatives equally attractive economically?
Power generation costs P3.20/kWh. Data for two 50-hp motors are as shownbelow. If the interest rate is 20%, determine how many hours the motors should be operated at full load for them to be economical. If a number of hours exceed the breakeven point, which of the two motors is more economical? Use (a) Annual Cost Method, (b) Use present worth method
A remotely located air sampling station can be powered by solar cells or by running an electric line to the site and using conventional power. Solar cells will cost $12,600 to install and will have a useful life of 4 years with no salvage value. Annual costs for inspection, cleaning, etc. are expected to be $1400. A new power line will cost $11,000 to install, with power costs expected to be $800 per year. Since the air sampling project will end in 4 years, the salvage value of the line is considered to be zero. At an interest rate of 10% per year, which alternative should be selected on the basis of a future worth analysis?
A large textile company is trying to decide which sludge dewatering process it should use ahead of its sludge drying operation. The costs associated with centrifuge and belt press systems are shown. Compare them on the basis of their annual worths using an interest rate of 10% per year. System Centrifuge Belt Press First cost, $ −235,000 −150,000 AOC, $/year −48,000 −41,000 Overhaul in year 2, $ -- −26,000 Salvage value, $ 40,000 10,000 Life, years 6 4 The annual worth of the centrifuge system is $− , and the annual worth of the belt press system is $− . The system selected on the basis of the annual worth analysis is the (Click to select) belt press centrifuge system.
Consider two air-conditioning systems with the estimates below. (a) Use AW analysis to determine the sensitivity of the economic decision to MARR values of 4%, 6%, and 8% per year. (b) Develop the spreadsheet functions that will display the six AW values. System 1 2 First cost, $ −10,000 −17,000 AOC, $ per year −600 −150 Salvage value, $ −100 −300 New compressor and motor cost at midlife, $ −1,750 −3,000 Life, years 8 12
A company is considering two alternatives for manufacturing a certain part. Method R will have a first cost of $40,000, and annual operating cost of $25,000, and a $10,000 salvage value after its five-year life. Method S will have an initial cost of $100,00, an annual operating cost of $15,000 and a $12,000 salvage value after its 10-year life. At an interest rate of 12% per yr, the present worth values of the alternatives are closest to; A. PWR = $ 124,446 PWR= $180,889 B. PWR = $ 124,446 PWR= $147,263 (ANSWER) C. PWR= $195,057 PWS= $180,886 D. PWR= $195,057 PWS=$147,263
In connection with surfacing a new highway, a contractor has a choice of two sites on which to set up the asphalt-mixing plant equipment. The contractor estimates that it will cost $1.25 per cubic yard mile (yd3 –mile) to haul the asphalt-paving material from the mixing plant to the job location. Factors relating to the two mixing sites are as follows: (See pic) The job requires 50,000 cubic yards of mixed-asphalt-paving material. It is estimated that four months (17 weeks of five working days per week) will be required for the job. Compare the two sites in terms of their total costs. Assume that the cost of the return trip is negligible. A) Which is the better site? B) For the selected site, how many cubic yards of paving material does the contractor have to deliver before staring to make a profit if paid $8.35 per cubic yard delivered to the job location?
The ore of a gold mine in the Mountain Province contains, on the average, 0.5 gram of gold per ton. One method of processing costs P1,650 per ton and recovers 93% of the gold, while another method costs only P1,500 per ton and recovers 81% of the gold. If gold can be sold at P8,500 per gram, which method is better and by how much?
Kaneb is evaluating two alternative pipeline welders. Welder A costs $310,000, has a 7-year life, and is expected to generate net cash inflows of $78,000 in each of the 7 years. Welder B costs $320,000, has a 5-year life, and is expected to generate annual net cash inflows of $68,900 in each of the 5 years. Kaneb's cost of capital is 16%. Using the equivalent annual annuity method, which alternative should be chosen and what is its NPV?
Write Company has a maximum capacity of 200,000 units per year. Variable manufacturing costs are $12 per unit. Fixed overhead is $600,000 per year. Variable selling and administrative costs are $5 per unit, and fixed selling and administrative costs are $300,000 per year. The current sales price is $23 per unit. A. What is the breakeven point in (a) sales units and (b) sales dollars? B. How many units must the Write Company sells to earn a profit of $240,000 per year?