Maren received 10 NQOs (each option gives her the right to purchase 11 shares of stock for $9 per share) at the time she started working, when the stock price was $7 per share. When the share price was $11 per share, she exercised all of her options. Eighteen months later she sold all of the shares for $21 per share. What is the amount of Maren's bargain element?

Multiple Choice

$0.

$220.

$440.

$1,210.

None of the choices are correct.