Final answer:
The incremental income for reworking the units is $182,500.
Step-by-step explanation:
To determine the incremental income, we need to calculate the incremental costs and incremental revenues.
The incremental cost of reworking the units is $205,500. The incremental cost is the additional cost incurred by choosing to rework the units instead of selling them as scrap.
The incremental revenue from reworking and selling the units is $388,000.
Therefore, the incremental income is calculated as:
Incremental Income = Incremental Revenue - Incremental Cost
= $388,000 - $205,500
= $182,500
Thus, the incremental income is $182,500.