On January 1, 2021. Pina Corp. had 474,000 shares of common stock outstanding. During 2021, it had the following transactions that affected the Common Stock account February 1 March 1 May 1 June 1 October 1 issued 126,000 shares Issued a 10% stock dividend Acquired 100,000 shares of treasury stock Issued a 3-for-1 stock split Reissued 62,000 shares of treasury stock Determine the weighted-average number of shares outstanding as of December 31, 2021 The weighted average number of shares outstanding