I need some help on this i dont understand

Requireu. Fill in the missing dollar amounts to complete the income statement. Susan Rivera, MD Income Statement For Year Ended Dec 31 Revenues: Examination fees $ 167.100 Laboratory fees Total revenues $ 240.900 Expenses: Insurance expense $ 75,700 Salary expense 59.900 Rent expense 48.200 Janitorial expense 30.900 Miscellaneous expense Total expenses 239.500 Net income