Clan Company had 250,000 shares of $2 par value common stock outstanding on January 1, 2020. On April 1 Clan Company sold 50,000 shares of common at $3 per share, and on July 1 distributed a 50% stock dividend. On September 1, Clan company bought back 75,000 shares to hold as treasury stock. What is the weighted average common shares outstanding for 2020? a) 406,250 b) 337,250 c) 375,000 d) 343,750