How does economic efficiency relate to the gains of consumers and producers? a. It a market economy, when the demand for a good increases, its price will be efficient, which will motivate consumers to search for substitutes and cut back on additional purchases of the good.b. in a market economy, when the demand for a good increases, its price will rise, which will motivate producers to supply more of the good.c. The equilibrium reached by a market satisfies economic efficiency and the difference between consumer and producer surplus is minimized d. The equilibrium reached by a market satisfies economic efficiency, and the total gains from trade represented by the combined area of consumer and producer surplus are maximized