Current Attempt in Progress Crane Inc. uses a calendar year for financial reporting. The company is authorized to issue 8,680,000 shares of $10 par common stock. At no time has Crane issued any potentially dilutive securities. Listed below is a summary of Crane's common stock activities. 1. Number of common shares issued and outstanding at December 31, 2018 2. Shares issued as a result of a 10% stock dividend on September 30, 2019 3. Shares issued for cash on March 31, 2020 Number of common shares issued and outstanding at December 31, 2020 4. A 2-for-1 stock split of Crane's common stock took place on March 31, 2021 2,160,000 216,000 1,810,000 4,186,000 (a) Your answer is incorrect. Compute the weighted-average number of common shares used in computing earnings per common share for 2019 on the 2020 comparative income statement. shares