For the ninth consecutive year, certain material weaknesses in internal control and in selected accounting and financial reporting practices resulted in conditions that continued to prevent GAO from being able to provide the Congress and American people an opinion as to whether the consolidated financial statements of the U.S. government are fairly stated in conformity with U.S. generally accepted accounting principles. Until the problems discussed in GAO's audit report on the U.S. government's consolidated financial statements are adequately addressed, they will...hinder the federal government from having reliable financial information to operate in an economical, efficient, and effective manner. The cost to operate the federal government--increased to $760 billion in fiscal year 2005 from $616 billion in fiscal year 2004. This represents an increase of about $144 billion or 23 percent. The federal government's gross debt was about $8 trillion as of September 30, 2005. The federal government's fiscal exposures now total more than $46 trillion, representing close to four times gross domestic product (GDP) in fiscal year 2005 and up from about $20 trillion...in 2000.