In 2021, the government of Sri Lanka banned all use of chemical fertilizer in the country to make the country the first all-organic agriculture country in the world. Farmers continued to grow rice (the country's major crop) on the same area of land, but its yield dropped by around 50% with no fertilizer use. This is an example of: Group of answer choices A switch to a new lower production function A movement toward a more elastic supply curve A movement down the same production function An inefficient point below the current production function