Startech Limited reported the following shareholders' equity data (all dollars in millions):
________________________________________________________ December 31,
______________________________________________________ 2017 _______ 2016
Preferred shares............................................................................. $ 604 ......... $ 740
Common shares.................................................................................. 2,390 ......... 2,130
Retained earnings............................................................................... 20,661 ...... 19,108
Startech earned net income of $2,960 during 2017. Common shares were issued for $20.00 each. For each account except Retained Earnings, one transaction explains the change from the December 31, 2016, balance to the December 31, 2017, balance. Two transactions affected Retained Earnings. Give a full explanation, including the dollar amount, for the change in each account?