Engineering Economics
What is normally used to compare alternatives that accomplish the same purpose but have unequal lives?

MARR
Annual cost method
Present worth method
Capitalized cost method

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Engineering Economics
Perfect monopoly exists only if:

the single vendor is the only one who has the knowledge of the product
the single vendor gets the absolute franchise of the product
the single vendor is the only one who has the permit to sell
the single vendor can prevent the entry of all other vendors in the market

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Engineering Economics
Current ratio is:

(Current assets + loans advances)/Current liabilities
(Current assets + loans)/Current liabilities
None of these
Current assets/Current liabilities

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