Arthur, Inc., had 610,000 shares of common stock issued and outstanding on December 31, 2015. On July 1, 2016, an additional 40,000 shares of common stock were issued for cash. Arthur, Inc. also had unexercised stock options to purchase 32,000 shares of common stock at $15 per share outstanding at the beginning and end of 2016. The average market price of Arthur, Inc. common stock was $20 during 2016. How many shares that should be included in computing diluted earnings per share for 2016? $630,000 $638,000 $658,000 $662,000