Suppose your utility from consuming X and Y is expressed as u(X,Y) = ln(XY) where ln() is the natural logarithm operator. Given this information, which of the following statements is NOT true?
A) The marginal utility of X may be positive or negative (depending on the quantity of X and Y consumed).
B) The marginal utility of X does not depend on the quantity of Y consumed.
C) The marginal utility of Y does not depend on the quantity of X consumed.
D) All of these statements are not true.

Question

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The Answer of Suppose your utility from consuming X and Y is expressed as u(X,Y) = ln(XY) where ln() is the natural logarithm operator. Given this information, which of the following statements is NOT true?
A) The marginal utility of X may be positive or negative (depending on the quantity of X and Y consumed).
B) The marginal utility of X does not depend on the quantity of Y consumed.
C) The marginal utility of Y does not depend on the quantity of X consumed.
D) All of these statements are not true.

Suppose Your Utility from Consuming X and Y Is Expressed