Compute and Interpret Liquidity, Solvency and Coverage Ratios Balance sheets and income statements for Lockheed Martin Corporation follow. Refer to these financial statements to answer the requirements. Consolidated Statements of Earnings Year Ended December 31 (In millions) 2012 2011 2010 Net sales Products Services $37,817 $36,925 36,380 9,365 9,574 9,291 47,182 46,499 45,671 Total net sales Cost of sales Products Services Severance and other charges Other unallocated costs Total cost of sales Gross Profit Other income, net Operating profit Interest expense Other non-operating income (expense), net Earnings before taxes Income tax expense Net earnings from continuing operations (33,495) (32,968) (32,539) (8,383)(8,514) (8,382) (48) (136) (220) (1,060) (1,137) (686) (42,986) (42,755) (41,827) 4,196 3,7443,844 261 4,4344,020 4,105 (383) (354)(345) 18 4,072 3,631 3,778 (1,327) (964) (1,164) 238 276 21 (35) 2,7452,667 2,61