II. On Jan. 1, 2020, the West Corp. had 530,000 shares of common stock issued and 500,000 shares of common stock outstanding. The following common stock transactions occurred during 2020: June 1: Reissued 30,000 shares of treasury stock July 1: Declared a 2-for-1 stock split Oct. 1: Issued 40,000 shares of common stock Required: Compute the weighted average number of shares of common stock that West should use as the denominator to compute its basic earning per share for 2020