. quantitative and qualitative disclosures about market risk , note 10 to aag's consolidated financial statements in item 8a and note 9 to american's consolidated financial statements in item 8b . fuel prices have fluctuated substantially over the past several years . we cannot predict the future availability , price volatility or cost of aircraft fuel . natural disasters , political disruptions or wars involving oil-producing countries , changes in fuel-related governmental policy , the strength of the u