I could show you POS records, but I'm not sure what that would prove. This us not what everyone does, but it was meant as an example of the kind of problems tha

I could show you POS records, but I'm not sure what that would prove. This us not what everyone does, but it was meant as an example of the kind of problems that arise from trying to control consumer behavior that go away if you just give cash. A more extreme example would be the economy of the former U.S.S.R., but I thought exchanging a two dollar milk bottle deposit for beer money was more relevant.