Research and discuss the Sarbanes-Oxley Act of 2002. Identify key components of the Sarbanes-Oxley Act of 2002, and its primary objective. What are some of the criticisms surrounding the Act? Are there any economic consequences for companies as a result of implementing the Act? Has the Sarbanes-Oxley Act achieved its goals so far? Explain the methods of depreciation. Explain the methods of depletion. How do depletion and depreciation methods differ? Compare and contrast the depreciation and depletion methods. Use scholarly references (no Wikipedia, Answers.com, etc.) to support the points you make in your paper.