Draw As-Is Model process for Walmart's Inventory Management System using BPMN 2.0 notation.

Start Event -> Receive Data on Stock Levels, Sales, and Customer Demand -> Analyze Data and Determine Replenishment Needs -> Check Inventory Levels -> Generate Purchase Orders -> Send Purchase Orders to Suppliers -> Receive Confirmation of Purchase Orders -> Receive Goods from Suppliers -> Inspect and Verify Goods -> Update Inventory Records -> Store Goods in Warehouse -> Monitor Stock Levels -> Track Sales and Customer Demand -> Generate Reports on Inventory Performance -> Handle Returns and Exchanges -> Fulfill Customer Orders -> Pick Items from Inventory -> Pack Items for Shipment -> Update Inventory Levels -> Ship Items to Stores -> Update Sales and Inventory Records -> End Event