more on results, bring in matt schultz, senior industry analyst at creditcard.com.ut tips can we talk about the baseline we talked before how it turned into 20% is that real >> well, we're not sure if 20% is the new 15% but at a minimum, it is clear that people see 15% as a floor, rather than a ceiling when it comes to tipping truth is, the median was about 18%. so it is somewhere in between. >> in terms of generous tippers, you talk republicans, what is a generous tip >>. >> a generous tip is above 20% we saw the thing ties all of the groups together that are best tippers, it is all about income. and may not come as any surprise that the more cash, the more likely to plump more on the table at the end of the night. >> there has been what might be described as tipping inflation creeped up faster in the sense you take taxi cab in major cities, they recommend a tip to you often times, giving you few options below 20%. >> 15, 18, 20. >> i have seen 25, 30, also seen signals at the bottom of a receipt where they lay it out in a new way. how much do you think that's push