ME00 :Purchasing Menu This transaction gives users access to the purchasing menu. The areas accessible from this menu include the purchase order, purchase requisition, outline agreement, request for quotation, master data and purchasing reports. ME01 :Maintain Source List This transaction is used to create a source list for a material at a specified plant. The selection screen requires a material and a plant to be entered. On the detail screen, the user can add a list of available sources of supply for a material, entering the periods during which procurement from each vendor is possible. The user can flag a vendor as the preferred source of supply for the material and also flag vendors as blocked for procurement. ME03 :Display Source List This transaction is used to display the source list for a material at a specific plant. The selection screen requires a material and a plant to be entered. The display will show a list of vendors if a list has been...