Which of the Following Statements Is True

Multiple Choice

Which of the following statements is true?

A) An extra dollar earned by a millionaire necessarily brings him or her less utility than an extra dollar earned by a poor person.
B) If marginal utility is constant, then total utility for two units of a good is equal to the marginal utility of the second unit of the good.
C) The marginal and total utility of a good are the same for the first unit of the good.
D) Total utility will rise if marginal utility is negative.