On January 1, 2020, Warren Corporation had 400,000 shares of common stock outstanding. On Apr 1, the corporation issued 50,000 new shares to raise additional capital. On July 1, the corporation declared and issued a 2-for-1 stock split. On November 1, the corporation purchased on the market 150,000 of its own outstanding shares and retired them.

Instructions

Compute the weighted average number of shares to be used in computing earnings per share for 2019.