21 For the following questions, select the key term that best matches with the definition provided. - The responsiveness of quantity purchased to a 1 percent change in income, ceteris paribus - Shows all the combinations of goods that yield an individual the same amount of satisfaction or utility - The utility surface shown by a family of indifference curves - As an individual consumes additional units of a specific good, holding everything else constant, the amount of satisfaction from each additional unit of that good decreases A. Indifference curve B. Law of diminishing marginal utility C. Income elasticity of demand D. Indifference map