The shareholders' equity accounts of Cullumber Ltd. on April 1, 2020, the beginning of the fiscal year, are as follows: $ 4 cumulative preferred shares (22,000 issued) $ 2,200,000 Common shares ( 450,000 issued) 3,600,000 Retained earnings 1,600,000 Total shareholders' equity $ 7,400,000 During the year, the following transactions occurred: 2020 June 1 Reacquired 12,000 common shares for $ 9 per share. July 1 Issued 52,000 common shares for $ 10 per share. Sept. 30 Reacquired 6,000 common shares for $ 9.50 per share. 2021 Jan. 31 Issued 54,000 common shares in exchange for land. The land's fair value was $ 540,000. Mar. 31 Profit for the year ended March 31, 2021, was $ 1,057,000. (a) Calculate the weighted average number of common shares for the year. Weighted average number of common shares