2. Conceptualize a PPF from the following table. Remember to label your axes. (Put Soybeans on the x-axis) and answer the questions that follow. Wheat 25 38 52 60 65 72 Soybeans 12 10 8 6 4 2 a) What is the opportunity cost of producing one more unit of Soybeans if the current level of production is at 4, 6, and 8. (9 marks)