student get, the average has been flat and at private universities it is lower than it was six years ago. but if you look over the long history, if you look back over ho or 50 years, almost all service prices go up more rapidly than the rate of inflation and it's particularly a problem in personal services like higher education and many others, legal services, medical services, getting your hair cut. the price of personal services goes up more rapidly than inflation because it's hard to get labor productivity growth. we don't have machines that replace what we do. that this is why the new push to think about digital techniques is one possible hope for getting some productivity growth in higher education. >> really what you're saying just to make it more clear for our audience, you're saying you need really high educated people in classrooms teaching kids and you have to pay those highly