Memory Demand TermsVersión en línea Econ Ch4.1 por Kim Jacoway the amount of usefulness or satisfaction that someone gets from the use of a product or service. Individual Demand Schedule Diminishing Marginal Utility Chart that shows the amount an individual is willing to pay for an item at multiple price points. The willingness, ability and desire to buy a product Graph that shows the amount an individual or a market will pay for a product at multiple price points Utility the principle which states that the extra satisfaction we get from using additional quantities of the product begins to diminish. Marginal Utility the extra usefulness or satisfaction a person gets from acquiring or using one more unit of a product The quantity of a good or service demanded varies inversely with the price. Demand Market Demand Curve Law of Demand