Need help understand hw

A market where neither individual demanders nor individual suppliers can influence the market price is called Non-existing market. Competitive market O Oligopoy market O Monopoly market Duoply market QUESTION 15 P D(P) S(P) X Figure 3 An decrease in consumer income would change the equilibrium quantity and the equilibrium price in figure 3. Which of the following is true for a normal good. The equilibrium price would decrease and the equilibrium quantity would increase. The equilibrium price would increase and the equilibrium quantity would increase. O The equilibrium price would increase and the equilibrium quantity would decrease. O The equilibrium price would decrease and the equilibrium quantity would decrease