Man baffled over why he gets free sandwich – until he looks at shop receipt

One man headed in to a store to get himself a sandwich to snack on, however was left baffled when the assistant told him he didn’t need to pay. That was until he looked at the receipt and saw what was writtenOne man headed in to a store to get himself a sandwich to snack on, however was left baffled when the assistant told him he didn’t need to pay. That was until he looked at the receipt and saw what was written