Sales COGS Interest Dividends Depreciation Cash Receivables Current liabilities Inventory Long-term debt Net fixed assets Retained earnings Tax rate 2017 $ 2,900 2,030 410 56 290 250 242 900 1,015 3,200 6,000 1,050 34% 2018 3,300 2,310 420 79 330 150 412 1,100 900 3,100 5,700 ? 349 Given the above information, what is the operating cash flow and retained earnings balance for 2018