In the "Interdisciplinary Perspective" Titled "A Philosophical Critique on the Marginal

In the "Interdisciplinary Perspective" titled "A Philosophical Critique on the Marginal Utility of Money," the basic point made is that

A) the law of diminishing marginal utility does not apply to money
B) marginal utility always increases at an increasing rate for money
C) once basic needs are met, additional income or wealth does not increase happiness
D) most of the theories advanced by economists are flawed
E) the total utility function for money has a downward slope