Those costs that increase or decrease as varying amounts of the resources are used. a. Variable costs b. Fixed costs c. Opportunity costs d. Explicit costs 2 points QUESTION 40 Goods that a consumer will buy less of with an income increase. Explicit goods Inferior goods Normal goods Ramen 2 points QUESTION 41 The more of a product that a consumer gets, the less each additional unit is worth. a. Supply b. Law of Diminishing Marginal Utility c. Opportunity Costs d. Maximize