I can only say that we did the same thing we have done for the past two years with my older daughters and my wife is crazy anal with her figures. When we reran the numbers after getting the notice we also came up with zero and figured something came up to change the numbers. When I heard my daughter’s friend who was also supposed to get some aid received nothing, I figured something had changed with the formulas they are using. If nobody else is getting major differences, we probably did something wrong. Sorry to have taken up so much of your time.