Nightwish corporation shows the following information on its $2021$ income statement. Sales $=$ $ $255,000,$ costs $=$ $ $156,000,$ other expenses $=$ $ $7900,$ depreciation expense $=$ $ $15600,$ interest expense $=$ $ $14,800,$ Taxes $=$ $ $21,245$; dividends $=$ $ $12,000.$ in addition you're told that the firm issued $ $6300$ in new equity during $2021$ and redeemed $ $4800$ in outstanding long term debt. $($ Do not round intermediate calculations$)$ a$.$ What is the $2021$ operating cashflow? b$.$ what is the $2021$ cashflow to creditors? c$.$ what is the $2021$ cash flow to stockholders? d$.$ If the net fixed assets increased by $ $28000$ during the year, what was the addition to net working capital $($NWC$)?$