Extended Learning Exercise. You have been asked to prepare a quick estimate of the construction cost for a$$ coal$-$fired electricity generating plant and facilities. A work breakdown structure$($levels one through$$ three$)$ is shown in the table below.

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What is your estimated $20192019$ cost for building the$$ coal$-$fired generating$$ facility? Summarize your calculations in a cost estimating$$ worksheet, and state the assumptions you make.

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Part $1$

Summarize your calculations in a cost estimating$$ worksheet, and state the assumptions you make. $($Round the factors for elements$1\mathrm{.}2-3,1\mathrm{.}4$ to four decimal places and the labor factor to the nearest whole number. Round costs to the nearest ten thousands$$ dollars.$)$