Which of these is NOT a property of an indifference curve? All combinations of goods along an indifference curve give the same level of satisfaction. O Indifference curves bow outward from the origin (they are concave). O Indifference curves slope downward as long as both goods are desirable. O Indifference curves cannot intersect one another.Demand curves can be derived from marginal utility analysis by changing the _ and plotting the resulting O price of the good; changes in purchasing power income; changes in purchasing power price of the good; changes in consumption O income; changes in consumption