21) 22) 21) is the assignment of value, or the amount a consumer must give to receive a product. A) Profit B) Demand C) Price D) Exchange E) Yield 22) According to the law of demand, which of the following is true? A) Demand equals supply. B) Customers are not aware of small price changes. C) The effect on demand from changes in price cannot be accurately predicted. D) If prices decrease, customers will buy more. E) If prices increase, customers will buy more. 23) 23) _are the per-unit costs of production that will fluctuate depending on how many units or individual products a firm produces. A) Fixed costs B) Variable costs C) Marginal costs D) Average fixed costs E) Everyday costs 24) do not vary with the number of units produced, A) Fixed costs B) Everyday costs Liquidity costs D) Variable costs E) Marginal costs 24) - 25) 25) A quantity discount is a price reduction to buyers who purchase A) close outs B) seasonal products ) frequently D) large volumes E) bundled products