According to a survey, it is stated that when incomes increased by 10%, the foll
According to a survey, it is stated that when incomes increased by 10%, the following changes in quantities demanded occurred: A. spring water up by 5 per cent B. sports drinks down by 2 per cent C. cruises up by 15 per cent.
Which demand is income elastic? Which is income inelastic? Which are normal goods?
