1. Review situations from last class
2. At bottom of WB, write the PC equilibrium outcome. In top left "firm(s) making supernormal profit" and top right "firm(s) making a loss"
3. Students work together to put in missing steps for getting from dis to eq for supernormal
4. Students move around curves on Word Doc to illustrate this https://mail.google.com/mail/?shva=1#inbox/1274d255a2faf003
5. Repeat 3 and 4 with firms making a loss
6. Draw diagrams in notebooks about above
7. Emphasise self-correction of markets
