Please show all work

(1.3) Weighted Average Number of Shares Outstanding: Ross Inc., which has a December 31st fiscal year-end, had the following changes in its common stock during the year: Date January 1 March 1 May 1 June 1 August 1 Share Changes Beginning balance = 200,000 shares Declared a stock dividend of 10% Issued 50,000 shares for cash Repurchased 20,000 shares (T-stock) Had a 2 for 1 stock split Calculate the weighted-average number of shares outstanding for Ross Inc. for the year