CSU Corporation began operations on January 1, 2017. The following information is available for CSU on December 31, 2017: Accounts receivable 1,800 Retained earnings ? Supplies expense 200 Accounts payable 2,000 Equipment 16,000 Cash 1,400 Rent expense 9,000 Insurance expense 1,000 Dividends 600 Notes payable 5,000 Service revenue 17,000 Common stock 10,000 Supplies 4,000 Prepare an income statement, a retained earnings statement, and a balance sheet.