hi if you could please help me on this that would be awesome! I'm stuck

Nightwish Corporation shows the following information on its 2021 income statement: Sales =$403,000; Costs =$305,000; Other expenses =$7,900; Depreciation expense = $18,200; Interest expense =$13,800; Taxes =$20,335; Dividends =$11,000. In addition, you're told that the firm issued $5,300 in new equity during 2021 and redeemed $3,800 in outstanding long-term debt. a. What is the 2021 operating cash flow? (Do not round intermediate calculations.) b. What is the 2021 cash flow to creditors? (Do not round intermediate calculations.) c. What is the 2021 cash flow to stockholders? (Do not round intermediate calculations.) d. If net fixed assets increased by $28,000 during the year, what was the addition to NWC? (Do not round intermediate calculations.)