This 1st level data flow diagram shows an overview of the Expense Processing System. It shows all the processes fulfils the requirements of the sponsor. The process starts with validating the employee information before selecting the available options. Process 2 reads the online expense form, and writes to the relevant data stores and transfers the information to next process. The next process generates report for department manager who approves or refuse the reimbursement of expense reports. The approved amount and expense information is reviewed by Finance Department, which then submits the payment instruction. The direct deposit instructions are transmitted to the Bank, which transfers the amount to the Employee's Bank account. The employee is also notifies after the report is approved and the payment has been made. Another functionality is the report generation for executive management. The system reads the query from the user and generates a report based on that query.

• Context Model
• Level 1
• Functional Decomposition - Process 1
• Functional Decomposition - Process 2
• Functional Decomposition - Process 3
• Functional Decomposition - Process 4
• Functional Decomposition - Process 5
• Data Dictionary
• Deliverable B