Suppose that Joeis indifferent between A : (z, y) = [1, 3) and B : (z, y) = (3, 1),and strictly prefers C : (2:, y) = (2, 2) to either of them. Which of following statements must be FALSE? 0 A and B are cm the same indifference curve. C) .7: and y are perfect substitutes. 0 MRS is diminishing. 0 All are correct. 0 a: and y are perfect complements