Given Two Goods,X and Y,their Prices,PX and PY,a Consumer Is

question 21

Multiple Choice

Given two goods,X and Y,their prices,PX and PY,a consumer is in equilibrium when the last dollar spent on X yields

• A) zero marginal utility for Y.
• B) the same marginal utility as if all the money were spent on Y.
• C) a smaller marginal utility than the last dollar spent on Y.
• D) the same marginal utility as the last dollar spent on Y.
• E) none of the above

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Definitions:

Phospholipid

A type of lipid molecule that is a major component of cell membranes, consisting of two fatty acids, a phosphate group, and a glycerol backbone.

Hydrocarbon Tails

Long, nonpolar chains of carbon and hydrogen atoms, characteristic of lipids, contributing to their hydrophobic properties.

Hard Water

Water that contains high levels of calcium and magnesium ions, which can reduce the effectiveness of soap and leave deposits.

Micelle

A spherical aggregate of surfactant molecules formed in a liquid colloid, important in various chemical and industrial processes.