Problem
Cheddar Corporation had 150,000 common shares and 120,000 2% cumulative preferred shares outstanding on January 1, 2020. On April 1, Cheddar issued an additional 80,000 shares. On July 1, the company repurchased and cancelled 60,000 common shares, and on October 1 issued an additional 30,000 common shares.
What is the weighted average of the number of shares outstanding for 2020?