Answer:
Decrease in Net operating income ($30,000)
Explanation:
The computation of the change in net operating income is shown below:
Particulars Rubber Division
Lost of Contribution margin ($100,000)
Savings from avoidable fixed costs :
Traceable fixed costs $70,000
Decrease in Net operating income ($30,000)
We simply deduct the traceable fixed cost from the loss of contribution margin so that the change in net operating income could come