Nightwish Corporation shows the following information on its $2021$ income statement: Sales $=$$$196,000$; Costs $=$$$105,000$; Other expenses $=$$$7,900$; Depreciation expense $=$ $$14,700$; Interest expense $=$$$13,900$; Taxes $=$$$19,075$; Dividends $=$$$11,000.$ In addition, you're told that the firm issued $$5,400$ in new equity during $2021$ and redeemed $$3,900$ in outstanding long$-$term debt. $($Do not round intermediate calculations.$)$

a$.$ What is the $2021$ operating cash flow?

b$.$ What is the $2021$ cash flow to creditors?

c$.$ What is the $2021$ 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$)?$