(Learning Objective 2, 3, 4: Explaining the changes in stockholders’ equity) Apollo Corporation reported the following stockholders’ equity data (all dollars in millions except par value per share):

December 31,

20X2

20X1

Preferred stock

$ 604

$ 740

Common stock, $1 par value

900

891

Additional paid in capital

1,490

1,468

Retained earnings

20,661

19,108

Treasury stock, common

(2,758)

(2,643)

Apollo earned net income of $2,960 during 20X2. For each account except Retained Earnings, 1 transaction explains the change from the December 31, 20X1, balance to the December 31, 20X2, balance. Two transactions affected Retained Earnings. Give a full explanation, including the dollar amount, for the change in each account.