What are the jokes about economics?

I heard that the monitor of another class sold his kidney and invited his classmates out for an autumn outing. I heard that the monitor of other classes is trying to make money, and is going to allocate Ai Feng 5 to every student in the class. I heard that the monitor of another class introduced all the only children in the class. I heard that the monitor of other classes has already started to prepare new year's goods for the students. I heard that the monitor of other classes ... monitor, it's up to you ~