Using an Internet search engine, search for the terms "big bang" and ERP and how these systems are audited. Identify at least one company that represents a success story with regard to this (big bang) ERP implementation method (other than Marathon, as described in this chapter's Real-World example). Also identify at least one company that experienced problems with this approach (other than the City of Tacoma, as described in this chapter's Real-World example). Provide the URL to the sites you are discussing. Also discuss the company take an procedures on auditing their systems.