I couldn't understand this

e the shoes since the price is above her willingness to p harsh winter, a country decides to help barley farmers he price of barley. The supply of barley is given by the ed e demand for barley is given by QD = 100 - 4P. If the pri plied is 50 and quantity demanded is 80 plied is 80 and quantity demanded is 50 plied is 60 and quantity demanded is 60 or will have no effect, since it is set above the equilibrium Saved