Teeswater Corp. shows the following information on its $2020$ statement of comprehensive income: sales $=$ $$240,000$; costs $=$ $$144,000$; other expenses $=$ $$8,200$; depreciation expense $=$ $$17,600$; interest expense $=$ $$13,200$; taxes $=$ $$19,250$; dividends $=$ $$12,600.$ In addition, you$$re told that the firm issued $$6,000$ in new equity during $2020$ and redeemed $$4,800$ in outstanding long$-$term debt. a$.$ What is the $2020$ operating cash flow? $($Omit $ sign in your response.$)$

Operating cash flow $\_\_\_\_\_\_$ b$.$ What is the $2020$ cash flow to creditors? $($Omit $ sign in your response.$)$

Cash flow to creditors $\_\_\_\_$ c$.$ What is the $2020$ cash flow to shareholders? $($Omit $ sign in your response.$)$

Cash flow to shareholders $\_\_\_\_\_$ d$.$ If net fixed assets increased by $$25,300$ during the year, what was the addition to NWC$?($Omit $ sign in your response.$)$

Addition to NWC $\_\_\_\_\_$