Laura received 10 NQOs (each option gives her right to purchase 50 shares of stock for $12 per share) at the time she started working when the stock price was $8 per share. When the share price was 518 per share, she exercised all of her options. Once the share price reached $25 a share, Laura sold all her shares. How much of a tax benefit will the Corporation receive when Laura exercises the NQOs if its marginal tax rate is 21%? O $1,050 O $720 $1.260 $630