Suppose a firm entered into a 5-year credit default swap in January 2005 to insure Finance Brothers bonds with a face value of $100 mln. The firm pays 200 basis points per year for the insurance, on a quarterly basis. In September 2008 Finance Brothers goes bankrupt, and its bonds trade at 50% of face value. a) What is a credit default swap? b) What are the firms cash flows from the swap in 2005, 2006, 2007, 2008, and 2009?