The income statement for the month of June of Camera Obscura Enterprises contains the following information: Revenues.....$7,000 Expenses: Salaries and Wages Expense...$3,000 Rent Expense...... 1,000 Advertising Expense...... ..... 800 Supplies Expense..... 300 Insurance Expense .. 100 Total expenses. 5,200 Net income... ..$1,800 After the revenue and expense accounts have been closed, the balance in Income Summary will be $0 O A debit balance of $1,800 O A credit balance of $1,800 O A credit balance of $7,000