To calculate the gross income, we need to add up all the sources of income.
- Salary: $4,000 per month
- Side job income:
- Hourly wage: $20
- Hours per week: 10
- Weeks per month: 4
- Monthly income from side job: \( 20 , \text{(dollars/hour)} \times 10 , \text{(hours/week)} \times 4 , \text{(weeks/month)} = 800 , \text{dollars} \)
- Rent from roommate: $1,000 per month
Now, add them together:
\[ 4,000 , \text{(salary)} + 800 , \text{(side job)} + 1,000 , \text{(rent)} = 5,800 , \text{dollars} \]
Therefore, the gross income is $5,800.
The correct response is:
$5,800