Question 4 For 4-5 Assume X = (x, y, z) and N = (1, 2, 3). Assume the individuals' preferences are 1: xyz 2: zxy 3: VXZ 4. Which of the following statements are true? 1. There is an alternative that is Pareto superior to x. 11. There is an alternative that is Pareto superior to y. Ill. There is an alternative that is Pareto superior to z. O I only O All of the statements are true. O II only O Ill only None of the statements are true Question 5 5. Which of the following statements are true? 1. x is Pareto optimal. ll. y is Pareto optimal. Ill. z is Pareto optimal. O Ill only I only O All of the statements are true. O None of the statements are true. II only