Attempts Are Being Made to Use Agricultural Produce, Such as Potatoes

Multiple Choice

Attempts are being made to use agricultural produce, such as potatoes, to create a biodegradable plastic.If these attempts are successful, what will happen to the equilibrium price and quantity of potatoes?  

A)  Price will increase and quantity will decrease. 
B)  Price will increase and quantity will increase. 
C)  Price will decrease and quantity will increase. 
D)  Price will decrease and quantity will decrease.