Given a passage and a question, find the answer to the question based on the passage. The answer should consist of only one word that lies in the span of only one of the sentences in the passage.

Paragraph: Bank of America Home Loans is the mortgage unit of Bank of America . In 2008 , Bank of America purchased the failing Countrywide Financial for $4.1 billion . In 2006 , Countrywide financed 20 % of all mortgages in the United States , at a value of about 3.5 % of United States GDP , a proportion greater than any other single mortgage lender .
Question: when did countrywide merge with bank of america
2008