The 2017 balance sheet of Kerber's Tennis Shop, Incorporated, showed $2.65 million in ong-term debt, $760,000 in the common stock account, and $6.05 million in the additional paid-in surplus account. The 2018 balance sheet showed $4 million, $905,000, and $8.2 million in the same three accounts, respectively. The 2018 income statement showed an interest expense of $260,000. The company paid out $650,000 in cash dividends during 2018. If the firm's net capital spending for 2018 was $710,000, and the firm reduced its net working capital investment by $115,000, what was the firm's 2018 operating cash flow, or OCF