The 2020 balance sheet of Osakas Tennis Shop, Incorporated, showed long-term debt of $5.9 million, and the 2021 balance sheet showed long-term debt of $6.15 million. The 2021 income statement showed an interest expense of $200,000. The 2020 balance sheet showed $580,000 in the common stock account and $3.5 million in the additional paid-in surplus account. The 2021 balance sheet showed $620,000 and $3.9 million in the same two accounts, respectively. The company paid out $570,000 in cash dividends during 2021. Suppose you also know that the firms net capital spending for 2021 was $1,440,000 and that the firm reduced its net working capital investment by $83,000. what was the firm's 2021 operating cash flow, or OCF