Professional Customer Service....

This saturday one of the fine professional members of the Beatsworkin Sales Team managed to put two different shoes in a box for a customer and the customer didnt notice !! wore the shoes for 8hrs then his father told him he had odd shoes on !!!!!    The question is who served this unobservant chap ????  pop in store with the answer ,the first prson to be correct gets a 40 percent discount on any single item instore!!   pic of the shoes bellow....