M2.com shows the following in its 2023 income statement: sales = $173,000; costs = $91,400; other expenses = $5,100; depreciation expense = $12,100; interest expense = $8,900; taxes = $21,090; dividends = $9,700. In addition, you're told that the firm issued $2,900 in new equity during 2023 and redeemed $4,000 in outstanding long-term debt. What is the 2023 operating cash flow