management 2019s discussion and analysis 120 jpmorgan chase & co./2010 annual report wholesale credit portfolio as of december 31 , 2010 , wholesale exposure ( ib , cb , tss and am ) increased by $ 36.9 billion from december 31 , 2009 . the overall increase was primarily driven by increases of $ 23.5 billion in loans and $ 16.8 billion of receivables from customers , partially offset by decreases in interests in purchase receivables and lending-related commitments of $ 2.5 billion and $ 1