The following information is from the Income Statement of the Sunland Laundry Service: Revenues Service Revenues $7540 Expenses Salaries and wages expense $2840 Advertising expense 580 Rent expense 350 Supplies expense 230 Insurance expense 120 Total expenses Net income 4120 $3420 The entry to close Income Summary includes a: O credit to Common Stock for $3420. debit to Income Summary for $3420. O debit to Retained Earnings for $3420. credit to Income Summary for $3420. ere to search E * +