At the beginning of 2019 , Hardin Company had 390,000 shares of $10 par common stock outstanding. During the year, it engaged in the following transactions related to its common stock: March 1 Issued 45,000 shares of stock at $22 per share. June 1 Issued a 10% stock dividend. July 1 Issued 15,000 shares of stock at $27 per share. Aug. 31 Issued a 2 -for-1 stock split on outstanding shares, reducing the par value to $5 per share. Oct. 31 Reacquired 98,000 shares as treasury stock at a cost of $30 per share. Nov. 30 Reissued 57,000 treasury shares at a price of $33 per share. Required: shares 2. Determine the number of common shares outstanding at December 31, 2019. X shares