Answer:
-$11,000 is the economic profit or we can say it is a loss.
Explanation:
The job paid Bob = $100000
The insurance cost is = $8,000
The material cost is = $15,000
The lease payments are = $8,000
The sales revenue is $120,000.
So, Bob's economic profit is:
![120000-100000-8000-15000-8000=-11000](https://img.qammunity.org/2020/formulas/mathematics/high-school/3gn45xlle2klxbl3dc2bnw2cjtra9v9sjw.png)
Therefore, his economic profit is -$11000.