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<strong>Financial</strong><strong>Analysis</strong>During 2007, total sales, including revenues from services,increased by 3% with respect to the previous year, totaling1,136 billion pesos. Domestic sales were 592.0 billionpesos, 4% more than those recorded in 2006, while exportsales totaled 542.9 billion pesos, a 2% increase comparedto the previous year. The aforementioned was primarilydue to an increase in the weighted average export priceof the Mexican crude oil basket.During 2007, cost of sales increased by 10% as comparedto 2006, totaling 460.7 billion pesos. The variation wasprimarily the result of an increase in product purchasesand an increase in depreciation and amortization due togreater investments.N O M B R E I N F O R M ED O S P I S O S ‘ 0727Gross profit totaled 675.4 billion pesos, a 1% decreasecompared to the figure recorded in 2006.