Question: Shawn Healy bought 300 shares of Apple Computer common stock at $132 a share. Fifteen months later, in December, Apple was up to $147 a share and Shawn was considering selling her shares because she believed Apple's price could drop as low as $142 within the next several months. What advice would you offer Shawn for locking in the gain and deferring the tax to the following year? Explain.