Question

If there is a fall in the consumer's income what happens to its demand curve?

1 Parallely rightward shift of demand curve
2 Extension of demand cure
3 Parallely leftward shift of demand curve
4 Contraction of demand curve​

Answer 1

I don't have time to answer I only want point

Answer 2

A change in consumers' tastes leads to a shift of the demand curve. If the change in consumers' tastes leads to an increase in demand, consumers want to buy more of this good at every price level. ... Because price is measured on the vertical axis, a change in the price represents a movement along the demand curve.