$*$ Explain how to represent business processes with the following business process diagrams. $1.$ Use Case Diagram $2.$ DFD $3.$ E$-$R Diagram $4.$ Class Diagram Functional Requirement Description Non$-$Functional Requirement Description Priority Data Import $-$ Automatically import data from POS systems. Usability $-$ User$-$friendly interface. High Data Validation $-$ Validate incoming data for accuracy. Reliability $-99\mathrm{.}9\%$ uptime. High User Management $-$ Manage user roles and permissions. Performance $-$ Handle simultaneous users without lag. High Real$-$Time Reporting $-$ Generate real$-$time financial reports. Scalability $-$ Scalable to accommodate growth. Medium Inventory Tracking $-$ Track inventory levels automatically. Security $-$ Secure data encryption and user authentication. High Payroll Integration $-$ Integrate payroll processing within the system. Compliance $-$ Comply with financial regulations. High Expense Management $-$ Manage and track expenses. Integration $-$ Easily integrate with existing systems. Medium Sales Analysis $-$ Analyze sales data to identify trends. Support $-24/7$ customer support. Medium Data Backup $-$ Automatically backup data daily. Documentation $-$ Comprehensive user documentation. Medium Custom Reporting $-$ Allow users to create custom reports. Portability $-$ Accessible on multiple devices. Low Requirement Determination Techniques $*$ Traditional Methods for Determining Requirements $*$Interviewing individuals $*$ Interviewing groups $*$ Observing workers $*$ Studying business documents Radical Methods for Determining System Requirements $*$ Business process reengineering $($BPR$)*$ Disruptive Technologies $*$ Requirements Determination Using Agile Methodologies Stakeholders $*$ Ahamed Ali: Chief Operating Officer, oversees project vision, executive sponsor. $*$ Noor Saud: Senior Operations Manager, responsible for monitoring resources. $*$ Lamia Ali: Assistant Director of Marketing, ensures the system meets marketing needs. $*$ Nasser Saeed: Lead Analyst, acts as the technical architect. $*$ Tala: Network Engineer, maintains network infrastructure. $*$ Razan: Project Manager, coordinates project activities and scope management. Baseline Project Plan $*$ Project Name: MF Financial System $*$ Project Manager: Razan $*$ Start$/$End Dates: April $25,2024-$ September $30,2024*$ Budget: $$8,900,000*$ Scope: As outlined above, includes system customization, data migration, etc. Budget Distribution $($Example$)*$ System purchase: $$2,000,000*$ Implementation costs: $$3,500,000*$ Maintenance and support cost: $$1,000,000*$ Staff training costs: $$1,400,000*$ Total budget: $$8,900,000$ Project Risks $*$ Data migration errors $*$ Delays in user adoption $*$ Overrunning budget Mitigation Strategies $*$ Thorough testing of data migration processes $*$ Comprehensive training programs $*$ Regular budget reviews