20) On March 1, 2021, an interest payment date, $150,000 of Sterling Co. bonds were converted into 4,000 shares of Sterling Co. common stock each having a par value of $20 and a market value of $52. There is $5,000 unamortized discount on the bonds. Using the book value method, the increase in additional paid in capital would be?

21) Yellow Corp. had 400,000 shares of common stock outstanding on January 1, issued 800,000 shares on July 1, and had income applicable to common stock of $3,500,000 for the year ending December 31, 2021. Earnings per share of common stock for 2021 would be?

22) Red Co. had 600,000 shares of common stock outstanding on January 1, issued 120,000 shares on April 1, purchased 40,000 shares of treasury stock on October 1, and issued 72,000 shares on November 1. The weighted average shares outstanding for the year is?

23) Blue Co. had 120,000 shares of stock outstanding on January 1, 2021. On May 1, 2021, Blue issued 60,000 shares. On July 1, Blue purchased 10,000 treasury shares, which were reissued on October 1. Compute Blues weighted-average number of shares outstanding for 2021.