. Let X = {x, y, z}. Let % XX, given by % = {(x, x),(y, y),(z, z),(x, z),

(z, x),(y, z),(z, y)}, denote the weak preference (binary) relation of a

decision maker. Which of the following is true:

(a) % is complete but not transitive

(b) % is transitive but not complete

(c) % is both complete and transitive

(d) % is neither complete nor transitive