NASA is considering two materials for use in a space vehicle tracking station in Australia. The estimates

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NASA is considering two materials for use in a space vehicle tracking station in Australia. The estimates are shown below. Which should be selected on an economic basis of present worth values at an interest rate of 10% per year?

Material First cost, $ Maintenance cost, $/year Salvage value, $ Life, years M FF -205,000 -235,000 -29,000 -27,000 2,00

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Engineering Economy

ISBN: 978-0073523439

8th edition

Authors: Leland T. Blank, Anthony Tarquin

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