Schwert Corp. shows the following information on its 2015 income statement: sales = $235,000: costs = $141,000: other expenses = $7,900, depreciation expense = $14,600: interest expense = $14,900: taxes = $19,810: dividends = $12,000. In addition, you're told that the firm issued $6,400 in new equity during 2015 and redeemed $4,900 in outstanding long-term debt. (Do not round intermediate calculations.) a. What is the 2015 operating cash flow? Operating cash flow $ b. What is the 2015 cash flow to creditors? Cash flow to creditors $ c. What is the 2015 cash flow to stockholders? Cash flow to stockholders $ d. If net fixed assets increased by $25,000 during the year, what was the addition to net working capital (NWC)? Addition to NWC $