McKean Corporation authorized 900,000 shares of common stock in its articles of incorporation. On May 1, 2019, 360,000 shares were sold to the company's founders. However, on October 15, 2019, McKean repurchased 29,000 shares to settle a dispute among the founders. At this date, how many shares were outstanding? a. 10,000 b. 50.000 c. 189.000 d. 331.000