Brownstone corporation has 1,000 shares of stock issued and outstanding. these shares are owned by the following people : 200 shares bobby 300 shares bobby's brother 100 shares felicia partnership 300 shares frisco, inc. 100 shares colten, inc. bobby owns 50% of felicia partnership and 40% of frisco, inc., and , felicia partnership owns the other 60% of frisco and colten. under constructive ownership rules for sec. 302 stock redemptions, how many shares of stock in brownstone corporation is bobby considered to own?