Derk owns 600 shares of stock in Rose Corporation. The remaining 1,400 shares of Rose are owned as follows: 200 by Derk's daughter, 400 by Derk's aunt, and 800 by a partnership in which Derk has ownership interest of 85%. Determine the number of shares Derk owns (directly and indirectly) in Rose Corporation. Derk is deemed to own (directly and indirectly) shares in Rose Corporation.