please can I get help with solving part (b) of this question?

Ayayai Inc. uses a calendar year for financial reporting. The company is authorized to issue 8,210,000 shares of $12 par common stock. At no time has Ayayai issued any potentially dilutive securities. Listed below is a summary of Ayayai's common stock activities. 1. 1,890,000 Number of common shares issued and outstanding at December 31, 2018 Shares issued as a result of a 12% stock dividend on September 30, 2019 2. 226,800 3. Shares issued for cash on March 31, 2020 2,100,000 Number of common shares issued and outstanding at December 31, 2020 4,216,800 4. A 2-for-1 stock split of Ayayai's common stock took place on March 31, 2021 (a) Your answer is correct. Compute the weighted-average number of common shares used in computing earnings per common share for 2019 on the 2020 comparative income statement. 2116800 shares Compute the weighted-average number of common shares used in computing earnings per common share for 2019 on the 2020 comparative income statement. 2116800 shares eTextbook and Media Attempts: 1 of 3 used (b) Compute the weighted-average number of common shares used in computing earnings per common share for 2020 on the 2020 comparative income statement. shares