Answer and Explanation:
Particulars   Continue     Discontinue    Differential Effect  on income
Sales      $200,000        $0          -$200,000 Â
variable cost $180,000 Â Â Â Â Â Â $0 Â Â Â Â Â Â Â Â Â Â $180,000 Â
Contribution margin $20,000 Â $0 Â Â Â Â Â Â Â Â Â -$20,000 Â
Fixed cost     $30,000      $20,000      $10,000 Â
Net income    $-10,000     -$20,000     -$10,000
So the net financial disadvantage regarding elimination is $100,000