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The cost of lighting and maintaining the tallest smokestack in the united states (at a shuttered asarco refinery) is $90,000 per year. at an interest rate of 10% per year, the present worth of maintaining the smokestack for 10 years is closest to

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IMNOTLOSTIN

Answer:

$180,000

Explanation:

The 10% of $90,000 is $9,000 and there is an interest for 10% every year, therefore if there is 10 years worth of interest, the total of interest is $90,000.

So if you add the cost of lightning and maintaining the tallest smokestack in the United States which is $90,000 to the interest which is also $90,000 the total would be $180,000

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