Rising Stars Limited (RSL) reported revenue of $3,120,000 and net income of $546,000 for the fiscal year end 30 June 2012. At 1 June 2011, RSL had 465,000 common shares outstanding and 60,000 common stock options outstanding with an exercise price of $14 each. During that fiscal year, the average market price for RSL's shares was $24 per share. RSL had no other potentially dilutive securities. What amount of shares would be used for the weighted average number of common stock in the calculation of diluted EPS for the 2012 fiscal year?

Group of answer choices

a. 490,000

b. 525,000

c. 500,000