" 4.Explain the effects of increase in income of buyers of normal commodity on its equilibrium price."

Explain the effect of a laftward shift of demand curve of a commodity on its equilibrium price with the help of a diagram.

Show diagrammatically the effects of increase in supply of a good on its equilibrium price.

Show diagrammatically the effects of increase in demand of a good on its equilibrium price.

Explain with the help of a diagram the effect of a rightward shift of supply curve of a commodity on its equilibrium price and quantity.