- how many cups contain a drug (i.e. 0,1%; 99.9% are drug free)? - is the problem big enough for bars to care about? - do cup producers increase their rev/pro

- how many cups contain a drug (i.e. 0,1%; 99.9% are drug free)? - is the problem big enough for bars to care about? - do cup producers increase their rev/profit with this cup?