Sarasota Inc. uses a calendar year for financial reporting. The company is authorized to issue 8,790,000 shares of $10 par common stock. At no time has Sarasota issued any potentially dilutive securities. Listed below is a summary of Sarasotas common stock activities. 1. Number of common shares issued and outstanding at December 31, 2018 2,200,000 2. Shares issued as a result of a 10% stock dividend on September 30, 2019 220,000 3. Shares issued for cash on March 31, 2020 2,090,000 Number of common shares issued and outstanding at December 31, 2020 4,510,000 4. A 2-for-1 stock split of Sarasotas common stock took place on March 31, 2021 Compute the weighted-average number of common shares used in computing earnings per common share for 2019 on the 2020 comparative income statement. ...shares Compute the weighted-average number of common shares used in computing earnings per common share for 2020 on the 2020 comparative income statement....shares Compute the weighted-average number of common shares to be used in computing earnings per common share for 2020 on the 2021 comparative income statement..... shares Compute the weighted-average number of common shares to be used in computing earnings per common share for 2021 on the 2021 comparative income statement. .... shares