please explain the answer for each number clearly. thank you

Based on the Data Flow Diagram (DFD) Level O Revenue Cycle image below, you are asked to: 1. Identify processes, entities, data stores, data flows, and other cycles contained in the DFD Level O Revenue Cycle! 2. Explain the purpose of each process (1.0, 2.0, 3.0, and 4.0) in the DFD Level O Revenue Cycle! 3. Make an explanatory narrative related to the DFD Level O Revenue Cycle image, so that a clear description of the interaction between each process, entity, data store, data flow, and another cycle! Commissions Human Resources Management/ Payroll Cycle Inquiries Response to Inquiries 1.0 Salos Order Entry Sales Order Sales Order Orders Sales Orders Information About Goods Available Production and Purchasing Needs Information About Goods Available Inventory Expenditure Cycle Production Cycle Customer Back Orders Packing Slip Bill of lading Customer 2.0 Shipping Carrier Packing Slip Bill of Lading Bill of Lading Invoice 3.0 Billing Payments Monthly Statements Deposits 4,0 Cash Collections Cash Receipts Sales Sales Bank Statements Customer General Ledger and Reporting System Cash Receipts Gambar:DFDLevelORevenueCycle