Learning Objective $1$

negative numbers use a minus sign.

Differential Analysis

Continue with Old Machine $($Alt$.1)$ or Replace Old Machine $($Alt$.2)$

September $13$

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a$.2$ Determine whether to continue with $($Alternative $1)$ or replace $($Alternative $2)$ the old machine.

Replace the old machine $$

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b$.$ What is the sunk cost in this situation?

The sunk cost is the $(\frac{22\mathrm{.}000}{\text{\$}})x.$