F1 Company's 2019 income statement reported total revenues, $850,000 and total expenses (including $40,000 depreciation) of $720,000. The company's accounting records showed the following: accounts receivable-beginning balance, $50,000 and ending balance, $40,000: accounts payable-beginning balance, $22,000 and ending balance, $28.000. Therefore, based only on this information, how much was the 2019 net cash provided by operating activities?