The 2016 annual report for Mega Millions disclosed that 1 billion shares of common stock have been authorized. At the end of 2015, 745 million shares had been issued and the number of shares in treasury stock was 104 million. During 2016, the only common share transactions were that 15 million common shares were issued from treasury and 21 million common shares were purchased and held as treasury stock. Required: Determine the number of common shares (a) issued, (b) in treasury, and (c) outstanding at the end of 2016.