Answer:
$30,000 decrease
Explanation:
The computation of the effect of the remaining company is shown below:
Sales $600,000 Â Â Â Â
Less: variable Expenses -$420,000 Â Â Â Â
Contribution $180,000 Â Â Â Â
Less: Fixed Cost $150,000  ($300,000 × 50%)   Â
Net Income $30,000
If Alligator segment is eliminated, the net income should be decreased by  $30,000
We applied the above computation so the proper effect could arrive