The stockholders' equity account balances of Kay Corporation for 2020 are given below:  January 1 December 31 Common stock ...................... 648,000 720,000 Paid-in capital  common stock .... 540,000 594,000 Treasury stock .................... 160,000 36,800 Paid-in capital  treasury stock .. 5,000 ? Retained earnings ................. 425,000 ? The common stock account at January 1 consisted of 54,000 shares that were outstanding at a $12 par value per share. The treasury stock account at January 1 consisted of 10,000 shares that had been re-acquired at a $16 cost per share. During 2020, Kay Corporation entered into the following transactions: March 23 Re-issued 2,400 of the treasury shares for $22 per share June 9 Re-issued 3,700 of the treasury shares for $13 per share August 15 Issued 6,000 shares of previously un-issued common stock November 2 Re-issued 1,600 of the treasury shares for $14 per share December 18 Declared and paid a $3.75 dividend per share on the outstanding shares of common stock Kay Corporation reported a net income of $293,760 for 2020. Calculate the retained earnings account balance at December 31, 2020.