please represent answers algebraically and also drawn on an edgeworth box

2. Suppose u'(x ) = x; and w; = 0 for both agents i. ("Ann only likes apples, Bob only likes bananas, Ann only has bananas, and Bob only has apples." ) To make the model interesting, assume w, and w? are both strictly positive. (a) For a given w; and wa, which allocations are Pareto optimal? (b) For a given w, and wa, what are all of the competitive equilibria