Carney breaks down Fannie Mae's 2013 earnings figures of $84 billion to show that this is due to unusual factors- such as low interest rates that it gets to access capital from the government, and the reversal of a write-down of deferred-tax assets. $45.4 billon is from the reversal of a writedown of deferred tax assets, $14.6 billion to gains not easily repeated, and about $12 billion because Fannie was able to borrow at 2.06%. (Mortgage securities generated interest income of $22.12 billion. The mortgage guarantee business generated about $12.3 billion which is a result of the 2012 change to the bailout agreement terms) He sees Fannie's core earnings that it could keep generating at about $12 billion. The additional reserve capital requirement that it would face as a systemically important or "too big to fail" financial institution at about $100 billion, making it about 8 years for it reach the reserve capital requirement. The situation at Fannie Mae is not as rosy as the 2013 earnings figures suggest. ...