... 3Level 2 Level 1Level 0Level 1Level 2 Supply chain Supply chain Supply chain Supply chain Supply chainCustomerCustomerCustomer AU3018_C001.fm Page 10 Friday, October 13, 20 06 2: 56 AM ... issues. The older tracking system sensedwhen a product was removed from the shelf. It then took a photograph of the shopper, compared to another snap taken when the product reached the check-out. The ... level 3. The other supply chain at level 1 transports semi-finished products to the supply chain at level 0 and finished products to acustomer at level 1. The level 1 customer that bypasses the level...