Analysis and Interpretation of Profitability Balance sheets and income statements for 3M Company follow Consolidated Statements of Income Years ended December 31 ($ millions) 2010 2009 2008 Net sales Operating expenses Cost of sales Selling, general and administrative expenses Research, development and related expenses Loss/(gain) from sale of business Total operating expenses Operating income Interest expenses and income Interest expense Interest income $26,662 $23,123 $25,269 13,831 12,109 13,379 5,479 4,9075,245 1,434 1,293 1,404 23 20,744 18,309 20,051 5,918 4,8145,218 201 219 215 (38) 37) (105) 110 Total interest expense 163 182