Stock Options Lyndon Systems granted its top executives options to purchase 4,000 shares of common stock (par $1) at $20 per share, the market price today. The options may be exercised over a 4-year span, starting 3 years hence. Suppose all options are exercised 3 years hence, when the market value of the stock is $30 per share. Prepare the appropriate journal entry on the books of Lyndon Systems.