Senior Company currently buys 30,000 units of a part used to manufacture its product at $40 per unit.Recently the supplier informed Senior Company that a 20% increase will take effect next year.Senior has some additional space and could produce the units for the following per-unit costs (based on 30,000 units): $\begin{array}{lr}
\text { Direct materials } & \$ 16 \
\text { Direct labour } & 12 \
\text { Variable overhead } & 12 \
\text { Fixed overhead } & 10 \
\text { Total } & \$ 50
\end{array}$ If the units are purchased from the supplier,$200,000 of fixed costs will continue to be incurred.In addition,the plant can be rented out for $20,000 per year if the parts are purchased externally.
Required: Should Senior Company buy the part externally or make it internally?

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The Answer of Senior Company currently buys 30,000 units of a part used to manufacture its product at $40 per unit.Recently the supplier informed Senior Company that a 20% increase will take effect next year.Senior has some additional space and could produce the units for the following per-unit costs (based on 30,000 units): $\begin{array}{lr}
\text { Direct materials } & \$ 16 \
\text { Direct labour } & 12 \
\text { Variable overhead } & 12 \
\text { Fixed overhead } & 10 \
\text { Total } & \$ 50
\end{array}$ If the units are purchased from the supplier,$200,000 of fixed costs will continue to be incurred.In addition,the plant can be rented out for $20,000 per year if the parts are purchased externally.
Required: Should Senior Company buy the part externally or make it internally?

Senior Company Currently Buys 30,000 Units of a Part Used