Schwert Corp. shows the following information on its $2020$ income statement: sales $=$ $$222,000$; costs $=$ $$132,000$; other expenses $=$ $$7,900$; depreciation expense $=$ $$19,700$; interest expense $=$ $$14,000$; taxes $=$ $$16,940$; dividends $=$ $$11,000.$ In addition, you$$re told that the firm issued $$5,500$ in new equity during $2020$ and redeemed $$4,000$ in outstanding long$-$term debt.

a$.$ What was the $2020$ operating cash flow? $($Do not round intermediate calculations.$)$

b$.$ What was the $2020$ cash flow to creditors? $($Do not round intermediate calculations.$)$

c$.$ What was the $2020$ cash flow to stockholders? $($Do not round intermediate calculations.$)$

d$.$ If net fixed assets increased by $$20,000$ during the year, what was the addition to NWC$?($Do not round intermediate calculations.$)$