The information in the table below presents data on the economy's PPF. Given this information: Guns Butter O 100 1 95 2 80 3 60 4 35 5 0 O Producing 3 guns and 60 pounds of butter would be classified as inefficient. O the opportunity cost of the second gun is 15 pounds of sacrificed butter. O the opportunity cost of increasing production of butter from 0 pounds to 35 pounds is the 5 foregone guns, the opportunity cost of each gun is the same