Doro Fill Company Fabricates Inexpensive Automobiles for Sale to 3^rd

Doro Fill Company fabricates inexpensive automobiles for sale to 3^rd world countries. Each auto includes one wiring harness, which is currently made in-house. Details of the harness fabrication are as follows:
$\begin{array}{|l|c|r|}\hline\text { Volume } & 800 &\text { units per month } \\\hline \text { Variable cost per unit } & \$ 7& \text { per unit } \\\hline \text { Fixed costs } & \$ 15,000 &\text { per month } \\\hline\end{array}$ A factory in Indonesia has offered to supply Dora Fill with ready-made units for a price of $10 each.
-A factory in Indonesia has offered to supply Dora Fill with ready-made units for a price of $10 each. Assume that Doro Fill's fixed costs are unavoidable, but the company could use the vacated production facilities to earn an additional $5,000 of profit per month. In order to maximize operating income, Doro Fill should outsource.