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