Design a LVL 2 DATA FLOW DIAGRAM for the Customer service process

Employee Manager payroll Worktime Schedule Purchase payment Supplier schedule Entry 3 Managerial report Schedule and Payroll Payroll release 2 4 Supplier products Accounting Purchase projection Employee details purchasing empDataupdate Employee Data AR data AR Update Order details AP Data AP update Purchase Data invoice Customer Accounts Receivable Accounts Payable Receivingnotice Purchase updating Customer payment Inventory update 5 Shipping slip Receiving Inventory Data Customer Service customer Order Inventory available Received products