Explanation:
The preparation correct income statement for July 2017 is presented below:
Cullumber Company
Income statement
For the month of July
Revenue
Service revenue $6,700 ($6,000 + $700)
Total revenues $6,700 (A)
Less: Expenses
Salaries and Wages Expense $2,500 ($2,000 + $500)=
Supplies Expense $650 ($1,000 - $350)
Utilities Expense $400
Insurance expense $400
Depreciation expense $350
Total expenses $4,300 (B)
Net income $2,400 (A- B)