Dong Fang Company Fabricates Inexpensive Automobiles for Sale to 3^rd

Dong Fang 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:
$$\begin{array} { | l | r | r | } \hline \text { Volume } & 900 & \text { Units per month } \\\hline \text { Variable cost per unit } & \$ 8.00 & \text { Per unit } \\\hline \text { Fixed costs } & \$ 14,000 & \text { Per month } \\\hline\end{array}$$
A factory in Indonesia has offered to supply Dong Fang with ready-made units for a price of $14.00 each.
Assume that Dong Fang's fixed costs could be reduced by $5,000 if they outsource, and that Dong Fang will not be able to use the excess capacity in any profitable manner. If Dong Fang decides to outsource, what will be the impact on Dong Fang's monthly operational income?

A) It will go up by $2,600.
B) It will go down by $14,000.
C) It will go up by $8,600.
D) It will go down by $400.