Answer only question 12 please and thank you

10.Cash Flow to CreditorsThe December 31, 2018, balance sheet of Whelan, Inc., showed long-term debt of $1,350,000, and the December 31, 2019, balance sheet showed long-term debt of $1,470,000. The 2019 income statement showed an interest expense of $97,500. What was the firms cash flow to creditors during 2019?

11.Cash Flow to StockholdersThe December 31, 2018, balance sheet of Whelan, Inc., showed $120,000 in the common stock account and $2,289,000 in the additional paid-in surplus account. The December 31, 2019, balance sheet showed $137,000 and $2,568,000 in the same two accounts, respectively. If the company paid out $149,500 in cash dividends during 2019, what was the cash flow to stockholders for the year?

12.Whelan, Inc., in Problems 10 and 11, suppose you also know that the firms net capital spending for 2019 was $745,000 and that the firm reduced its net working capital investment by $94,300. What was the firms 2019 operating cash flow, or OCF