Blanco company purchased 200 of the 1,000 outstanding shares of darby company's common stock for $600,000 on january 2, 2018. during 2018, darby company declared dividends of $100,000 and reported earnings for the year of $400,000.if blanco company uses the equity method of accounting for its investment in darby company, its equity investments (darby) account at december 31, 2018 should be1. $580,000.2. $600,000.3. $660,000.4. $680,000.