Concept:Cardinal utility theory assumes that utility can be measured and that the consumer is rational, but consistency and transitivity of choice is more associated with ordinal utility analysis.Explanation:Options A, B, and C are assumptions or features of the cardinalist theory of utility.Option D, however, belongs to the ordinal/indifference-curve theory of consumer choice.Therefore, the correct answer is the option that is not an assumption of cardinalist theory.Answer:D. Consistency and transitivity of choice