单选题
An analyst gathers the following information about a company"s common stock:
●1 January 2009 180000 shares outstanding
●1 June 2009 60000 shares issued
●1 August 2009 2-for-1 stock split
●31 December 2009 480000 shares outstanding
To calculate earnings per share for 2009, the company"s weighted average number of shares outstanding is closest: