At January 1, 2017, Stevenson Inc. had the following shares authorized and issued: Jan 1 Common shares issued 40,000 Common shares authorized unlimited Jan 1 $9 cumulative preferred shares issued 1,000 $9 cumulative preferred shares authorized 100,000 During 2017, Stevenson had the following share transactions: Feb 1 Issued 5,000 preferred shares Apr 1 Issued 20,000 common shares Aug 1 Issued 18,000 common shares Dec 1 Issued 6,000 common shares On December 31, Stevenson declared a $9 per share dividend on all issued preferred shares Stevenson's 2017 profit was $435,000 Required: a) Calculate the weighted average number of common shares in 2017 b) Calculate the profit available to common shareholders for 2017 c) Calculate the 2017 earnings per share