.2 billion at an average price per share of $ 48.60 . the board of directors approved in april 2007 , a stock repurchase program that authorizes the repurchase of up to $ 10.0 billion of the firm 2019s common shares , which superseded an $ 8.0 billion stock repur- chase program approved in 2006 . the $ 10.0 billion authorization includes shares to be repurchased to offset issuances under the firm 2019s employee stock-based plans