Please answer true or false with reason.

A movement along the demand curve shows a change in quantity demanded. Answer: Reason: The supply curve indicates the minimum quantity that a producer would be willing to supply at alternative prices. Answer: Reason: An increase in price results in increase in supply but not an increase in the quantity supplied. Answer: Reason: An increase in productivity will shift the good's supply curve rightward. Answer: Reason: If the demand for a good is perfectly inelastic, then the demand curve is horizontal. Answer: Reason