On December 31, 2012, Google Company had 430000 shares of common stock issued and outstanding. Google issued 40000 o March 31, and a 0.1 percent stock dividend on July 1, 2013. On October 1, 2013, Google reacquired 48000 shares of its common stock What number of shares should be used in computing basic earnings per share for the year ended December 31, 2013