make a narration based on DFD Level 0 below.

Commissions Human Resources Management/ Payroll Cycle Inquiries Response to Inquiries 1.0 Sales 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 A Back Orders Packing Slip Bill of Lading Customer 2.0 Shipping Packing Slip Bill of Lading Carrier 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