Can you help with this question and provide full explanations?

2. Consider the following Figure, which shows a Production Possibilities Frontier for the Planet of Dune. Are each of the following points Feasible or Infeasible? If they're feasible, then are they productively efficient, or productively inefficient? You do not need to explain your answer. (15%) DATE PALMS D C B E A MELANGE a) Point A. b) Point B. c) Point C. d) Point D. e) Point E