On June 30, 2008, Norman Corporation Granted Compensatory Share Options

On June 30, 2008, Norman Corporation granted compensatory share options for 30,000 shares of its $20 par value ordinary shares to certain of its key employees.The market price of the shares on that date was $36 per share and the option price was $30.The Black-Scholes option pricing model determines total compensation expense to be $360,000.The options are exercisable beginning January 1, 2011, provided those key employees are still in Norman's employ at the time the options are exercised.The options expire on June 30, 2012.
On January 4, 2011, when the market price of the shares was $42 per share, all 30,000 options were exercised.What should be the amount of compensation expense recorded by Norman Corporation for the calendar year 2010 using the fair value method?

A) $0.
B) $144,000.
C) $180,000.
D) $360,000.