Alley Corporation had 300,000 shares of common stock issued and outstanding on January 1, 2013. On March 1, 30,000 shares were issued. On July 1,...

Alley Corporation had 300,000 shares of common stock issued and outstanding on January 1, 2013. On March 1, 30,000 shares were issued. On July 1, 25,000 shares were retired.

A 2-for-1 stock split was issued on November 1. 

Instructions: calculate the weighted average of common shares outstanding for 2013.