Hi guys, I'm just struggling with the very last question of average cost of Common Shares. The rest I got right. Any help would be appreciated! Thanks in advance!

Exercise 11-3 Cinrich Ltd. was incorporated as a private company on January 2, 2018, and is authorized to issue an unlimited number of common shares and $1 preferred shares. The company had the following share transactions in its first month of operations: Jan. Issued 186,000 common shares for $1.40 per share. 6 12 Issued 54,000 common shares for $1.80 per share. 17 Issued 9,300 preferred shares for $25.00 per share 18 Issued 466,000 common shares for $2.00 per share 24 Reacquired 193,000 common shares at $1.90 per share. 31 Issued 9,800 common shares in exchange for $14,700 of legal services