Marti received 11 NQOs (each option gives Marti the right to purchase 14 shares of stock for $10 per share) at the time Marti started working when the stock price was $7 per share. When the share price was $16 per share, Marti exercised all of her options. Eighteen months later she sold all of the shares for $21 per share. What is the amount of Marti's bargain element