1. On November 1, 2004, Andy invested $50,000 into a Series P40 R-bond CPB. On the 2005, 2007, and 2009 anniversary dates, he took his regular interest payment and acquired a CSB Series C-bond on the same date. On the 2006 and 2008 anniversary dates, he took his regular interest payment and acquired a CPB Series C-bond on the same date. On November 1, 2010, calculate the maturity value of all of his investments. Determine the total interest earned from November 1, 2004, to November 1, 2010.