How do I find the beginning cash balance?

The following accounts and balances were drawn from the records of Barker Company at December 31, 2018: 2,300 Supplies Cash flow from investing act. Prepaid insurance Service revenue Other operating expenses Supplies expense Insurance expense Beginning common stock Cash flow from operating act. Common stock issued 740 Beginning retained earnings (6,200) Cash flow from financing act. Rent expense 75,000 Dividends 42,000 Cash 220 Accounts receivable 1,100 Prepaid rent 1,200 Unearned revenue 7,900 Land 5,000 Accounts payable $ 19,000 (5,800) 2,200 5,100 12,300 19,000 4,900 6,200 37,000 20,460 BARKER COMPANY Statement of Cash Flows For the Year Ended December 31, 2018 Cash flow from operating activities $ 7,900 Cash flow from investing activities (6 200) Cash flow from financing activities (5,800) Net change in cash (4.100) Plus: Beginning cash balance Ending cash balance $ 12,300