please explain step by step

Economics Question 39 (0.5 points) LAS 130 SAS 120 Price level (GDP deflator, 2000 =100) 110 100 90 0 9.0 9.5 10.0 10.5 11.0 11.5 Real GDP (trillions of 2000 dollars) In the above figure, the economy will be at full employment if the price level 1) is 110. O 2) is above 110. ( 3) is below 100. 4) is at any price level