What are the number of weighted average common shares outstanding for ABC Company, based on the information below? Date Shares Common Shares Authorized 100,000 Common Shares Issued 1/1/20x1 1/1/20x1 60,000 Treasury Stock 1/1/20x1 1/1/20x1 6,000 Stock dividend paid 8/1/20x1 10% Shares repurchased and retained as treasury stock 10/1/20x1 12,000