of a luxury price, you create a need for affordable housing because of the extra goods and services that the occupants of these units are going to demand. by building more luxury units, and by the way, there are 1300 of them in the pipeline right now, you are creating additional pressures on the demand for housing in san francisco. what we need to do is we need to set it right. we need to figure out strategy so we can build housing that teachers can live in. >> let me give sonia a chance to respond. >> teachers and police officers don't qualify for affordable housing because they make too much. the place middle income people live is go back in time 20 years and build something 20 years ago and wait. we have a problem now, 20 years ago, 15 years ago, eight years ago five years ago we weren't moving. anyone that lived through the 2008 bubble and recession knows that financing for housing comes in the country in waves.