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[Start] --> [Initiate Purchase Request] --> [Fill Out Purchase Request Form] 
            --> [Submit to Department Head] --> [Department Head Approval?] 
               --> (Yes) --> [Submit to Finance for Budget Approval] 
               --> [Finance Approval?] 
                  --> (Yes) --> [Procurement Team Review] 
                  --> [Procurement Manager Final Approval?] 
                     --> (Yes) --> [Issue Purchase Order (PO)] 
                     --> [Vendor Delivers Product/Service] 
                     --> [Receive and Inspect Product] 
                     --> [Confirm Delivery and Process Payment] --> [End]
               --> (No) --> [Return for Revision] --> [End]