Josel owns three fields: Blue field, Green field, and Red field. He produces corn and wheat. Blue field has 100 acres whereas Green field and Red field each have 80 acres. In Blue field, it takes 2 acres to produce one bushel of corn and 1 acre to produce one bushel of wheat. In Green field and Red field, it takes 4 acres to produce one bushel of corn and 5 acres to produce one bushel of wheat. Suppose that the government imposes a quantity restriction of 50 bushels of wheat on Blue field. That is, Blue field is allowed to produce at most 50 bushels of wheat. Sketch the joint PPF taking account of the quantity restriction. Clearly label your graph