how do i solve it Activity Description:The aim of this activity to check students' understating about modeling the systemfunctionality using the Data Flow Diagram (DFD) technique. Student will learn howdraw the logical DFD for the given case study using Online Visual Paradigm editor.The expected outcome is neatly create and labeled diagrams, which represents contextand level 0 DFD.Activity:Case Study (2): World's Trend Catalog DivisionCase -2: World's Trend Catalog DivisionWorld's Trend is a mail order supplier of high-quality, fashionable clothing. Customers placeorders by telephone, by mailing an order form included with each catalog, or via the Website.When customer orders come in, the item master and the customer master files are bothupdated. If an item is out of stock, the inventory control department is notified. If the orderis from a new customer, a new record is created in the customer master file.Picking slips are produced for the customer order and sent to the warehouse. A shippingstatement is prepared. The process of shipping a customer order involves getting the goodsfrom the warehouse and matching up the customer shipping statement, getting the correctcustomer address, and shipping it all to the customer.The customer statement is generated, and a billing statement is sent to a customer once amonth. An accounts receivable report is sent to the accounting department.Step-1: Identify EntitiesCustomer● InventoryWarehouse● AccountingStep-2: Identify Processes● Add Customer Info.Add Customer Order● Produce Picking Slip●Prepare Shipping Statement● Ship Customer OrderCreate Customer StatementProduce Account ReceivableStep-2: Identify Data Stores● Customer FileItems FileIf you know that the parent process (3) - PRODUCE PICKING LIST have the following childsubprocesses:1. Read Item Record (from Items File)2. Create Order Record (to Order Item File)3. Sort Item by Location in Warehouse (to sorted orders file)4. Get Customer Records (from Customer File)5. Print Order Picking SlipQuestion: Draw the child DFD (Level 3 Data Flow Diagram) for the mentioned process.

A DFD , 'data flow diagram' is a graphical representation of the drift of the information thru an…

Activity Description: The aim of this activity to check students' understating about modeling the system functionality using the Data Flow Diagram (DFD) technique. Student will learn how draw the logical DFD for the given case study using Online Visual Paradigm editor. The expected outcome is neatly create and labeled diagrams, which represents context and level 0 DFD.