Schwert Corp. shows the following information on its 2019 income statement: sales = $255,000; costs = $156,000; other expenses = $7,900; depreciation expense = $15,600; interest expense = $14,800, taxes = $21,245, dividends = $12,000. In addition, you're told that the firm issued $6,300 in new equity during 2019 and redeemed $4,800 in outstanding long-term debt. (Do not round intermediate calculations.) a. What is the 2019 operating cash flow? b. What is the 2019 cash flow to creditors? c. What is the 2019 cash flow to stockholders? d. If net fixed assets increased by $28,000 during the year, what was the addition to net working capital (NWC)? a. Operating cash flow b. Cash flow to creditors c. Cash flow to stockholders d. Addition to NWC