3. Breakdown of a cartel agreement

Consider a town in which only two residents, Alex and Becky, own wells that produce water safe for drinking. Alex and Becky can pump and sell as much water as they want at no cost. For them, total revenue equals profit. The following table shows the town's demand schedule for water.

when insulating materials rub against each other, they may become electrically charged . electrons , which are negatively charged, may be 'rubbed off' one material and on to the other. the material that gains electrons becomes negatively charged. the material that loses electrons is left with a positive charge.

b.a device that inputs heat into a cool object