The document describes different scenarios involving a bakery owner. In the first scenario, the bakery sells cupcakes and cookies but customers now only buy cupcakes. As there is room for 20 items, the owner would make more cupcakes since that is what customers demand. The second scenario discusses customers asking for iced buns, so the owner should make those to meet demand. The third scenario discusses how supply and demand determines what treats the bakery offers based on what customers choose.