(This question refers to the MRU video 'The Supply Curve Shifts'.) A new policy that restricted the importing of butter from Europe would have what impact in the domestic butter market? Select one: O a, It would decrease the supply of butter, shifting the supply curve up and to the left. O b. It would decrease the supply of butter, shifting the supply curve down and to the right. Of a. It would increase the supply of butter, shifting the supply curve up and to the left. Old. It would increase the supply of butter, shifting the supply curve down and to the right