TARP is expected to cost $109 billion

A report from the Congressional Budget Office estimates that the government's $700 billion Troubled Asset Relief Program will actually cost about $109 billion during its lifetime. The projection is $10 billion more than the agency's estimate in January. The CBO said that while American International Group and the auto industry are weighing on the program, capital infusions into banks will actually earn the government an estimated $7 billion.

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http://money.cnn.com/2010/03/17/news/economy/CBO_TARP/index.htm