If a buyer's démand for chicken thighs decreases as her income increases, chicken thighs, for her, are good. (a) normal good (b) inferior (c) luxury good d) complementary good o suppose the demand for newspapers goes up when the price of coffee goes down. we can say that these two goods are (a) complements (b) substitutes (c) normal goods (d) perfect substitutes in response to news reports that faking daily aspirin can reduce a person's isk of a heart attack, there will most likely be a(n) (a) decrease in the demand for aspirin (b) decrease in the quantity demanded of aspirin (c) increase in the demand for aspirin (d) increase in the quantity demanded of aspirin