The 2017 balance sheet of Kerber’s Tennis Shop, Inc., showed $2.15 million in long-term debt, $700,000 in the common stock account, and $6.3 million in the additional paid-in surplus account. The 2018 balance sheet showed $3.75 million, $975,000, and $8.45 million in the same three accounts, respectively. The 2018 income statement showed an interest expense of $280,000. The company paid out $690,000 in cash dividends during 2018. If the firm's net capital spending for 2018 was $760,000, and the firm reduced its net working capital investment by $145,000, what was the firm's 2018 operating cash flow, or OCF?