Answer:
$37,760
Step-by-step explanation:
The income for the current operation, without further processing, is given by:

If the product is further processed at a cost of $11,200, the company would sell 11,200 units at $31,80 each and 5,200 at $19.20 each, for an income of:

Therefore, the incremental net income of processing further would be:

The incremental net income would be $37,760.