Operating cash flow = ($649,000 x .072) + $102,600 = $149,328. In financial accounting, operating cash flow or as called as OCF in which cash flow provided by operations, cash flow from operating activities or as called as CFO or free cash flow from operations or as called as FCFO bring up to the sum of cash a company produces from the revenues it brings in not including costs related with long-term investment on capital items.