Transformers for undergroundworks were planned to be provided.Type A has an initial cost of $70,000and a life of 8 years. Type B has aninitial cost of $95,000 and a lifeexpectancy of 12 years. The annualoperating cost for type A isexpected to be $9000, while theAOC for type B is expected to be$7000. Salvage values are $5000for type A, and $10,000 for type B.Using the incremental cash flowanalysis, choose the betteralternative.

Answered: Transformers for underground works were…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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There is a machine that costs $4011, has a life of 15 years and no salvage value. The capitalized cost in dollar if money worth 10% is: O 4270.66 8682.76 7278.91 O 5273.41 3267.91 P.
Brawdy Plastics, Inc., produces plastic seat belt retainers for General Motors at their plant in Buffalo, New York. After final assembly and painting, the parts are placed on a conveyor belt that moves the parts past a final inspection station. How fast the parts move past the final inspection station depends upon the line speed of the conveyor belt (feet per minute). Although faster line speeds are desirable, management is concerned that increasing the line speed too much may not provide enough time for inspectors to identify which parts are actually defective. To test this theory, Brawdy Plastics conducted an experiment in which the same batch of parts, with a known number of defective parts, was inspected using a variety of line speeds. The following data were collected. LineSpeed Number ofDefectiveParts Found 20 23 20 21 30 19 30 16 40 15 40 17 50 14 50 11 Use the least squares method to develop the estimated regression equation (to 1…
It is convenient to add salt to butter, produced in a continuous butter-making machine, by adding a slurry of salt with water containing 60% of salt and 40% of water by weight. If the final composition of the butter is to be 15.8% moisture and 1.4% salt, estimate the original moisture content of the butter prior to salting.
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Consider a person who invests in AAA-rated bonds, A-rated bonds, and B-rated bonds. The average yields are 6.5% on AAA bonds, 7% on A bonds, and 9% on B bonds. The person invests twice as much in B bonds as in A bonds. Let x, y and z represent the amounts invested in AAA, A, and B bonds, respectively. x + y + z = 10,000(total investment) 0.065x + 0.07y + 0.09z = 760(annual return) 2y – z = 0 Use the inverse of the coefficient matrix of this system to find the amount invested in each type of bond. Total Investment Annual Return $10,000 760

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