The 2017 balance sheet of Kerber's Tennis Shop, Incorporated, showed $2.8 million in long-term debt, $730,000 in the common stock account, and $6.35 million in the additional paid-in surplus account. The 2018 balance sheet showed $3.85 million, $965,000, and $8.15 million in the same three accounts, respectively. The 2018 income statement showed an interest expense of $340,000. The company paid out $670,000 in cash dividends during 2018. If the firm's net capital spending for 2018 was $830,000, and the firm reduced its net working capital investment by $135,000, what was the firm's 2018 operating cash flow, or OCF? Multiple Choice $-2,720,000 $-1,380,000 $-4,110,000