The Engel Curve shows the relation between quantity demanded of a good and income. If it has a negative slope
Select one:
a.both goods are normal.
b.as the price of the good on the vertical axis increases, consumption of the other good decreases.
c.the good on the horizontal axis is normal.
d.the good on the horizontal axis is inferior.
e. as the price of the good on the horizontal axis decreases, consumption of both goods rises.