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Capstone Project – Complete Document Travel and Expense Tool Implementation: FinalGroup 10: Lena Ledford, Zachariah Westerfield, David FontanezDeVry University/Keller School of ManagementTable of ContentsExecutive Summary 3Project Charter 4Project Value Statement 7Project Strategy Statement 7Project Methodology 8Business Requirements and Rules 9Context Data Flow Diagram 9Use Case List 9Use Case Scenarios 9Logical Entity Relationship Diagram 10Physical Entity Relationship Diagram 11UML Case Diagram 12UML Sequence Diagram for Use Cases 13UML Class.