ABC Oil in 2021 had the following information: net capital purchases of $2,000,000 common share dividends of $100,000 preferred share dividends of $50,000 Share buybacks $2,000,000 Net Income $2,500,000 Total cash flow of $5,000,000 Operating Cash Flow of $3,000,000 Financing Cash Flow of $1,000,000 Investing Cash Flow of $1,000,000 What was its Net Free Cash Flow