Answer:
Total contribution margin= $60,000
Explanation:
First, we need to calculate the actual contribution margin:
Contribution margin= net income + fixed costs
Contribution margin= 36,000 + 30,000= $66,000
Now, the unitary contribution margin:
Unitary contribution margin= 66,000/22,000= $3
Finally, the total contribution margin for 20,000 units:
Total contribution margin= 3*20,000= $60,000