3 per cent increase in the quantity demanded.

300 per cent increase in the quantity demanded.

30 per cent increase in the quantity demanded.

30 per cent decrease in the quantity demanded.

decreased and the equilibrium quantity decreased.

increased and the equilibrium quantity increased.

increased and the equilibrium quantity decreased.

decreased and the equilibrium quantity increased.

goods A and B are complements.

the demands for goods A and B are elastic.

goods A and B are substitutes.

the demands for goods A and B are inelastic.

R1,00 drop in price leads to a 333-unit rise in the quantity demanded.

12 percent drop in price leads to a 4 percent rise in the quantity demanded.

R1,00 drop in price leads to a 300-unit rise in the quantity demanded.

12 percent drop in price leads to a 36 percent rise in the quantity demanded.