How does an increase in demand of a commodity affect its equilibrium price and equilibrium quantity? Explain with the help of a diagram.

How will increase in the income of the buyers of an 'inderior good' affect its equilibrium pirce and equilibrium quantity ? Explain with the help of a diagram.

How will an increase in the income of the buyers of an 'inferior good', affect its equilibrium price and equilibrium quantity? Explain with help of a diagram.

When will (a) simultaneous increases and (b) simultaneous decreases in both demand and supply not affect the equilibrium price? Explain with the help of diagrams.

How is equilibrium price of a commodity determined? Explain with the help of a demand and supply schedule