The 2014 balance sheet of Maria's Tennis Shop, Inc., showed long-term debt of $4.5 million, and the 2015 balance sheet showed long-term debt of $5.9 million. The 2015 income statement showed an interest expense of $67044. During 2015, Marias Tennis Shop, Inc. realized the following: Cash flow to creditors $ 16565 Cash flow to stockholders $ 77992 Suppose you also know that the firms net capital spending for 2015 was $2.6 million, and that the firm reduced its net working capital investment by $98423. What was the firms 2015 operating cash flow, or OCF?