As of December 31, 2018, Warner Corporation reported the following: Dividends payable $ 32,000 Treasury stock 570,000 Paid-in capital—share repurchase 32,000 Other paid-in capital accounts 5,200,000 Retained earnings 4,200,000 During 2019, half of the treasury stock was resold for $250,000; net income was $570,000; cash dividends declared were $1,380,000; and stock dividends declared were $620,000. What was shareholders' equity as of December 31, 2018?