Answer:
A) quantity supplied will decrease, the equilibrium price will increase, eventually the quantity demanded will decrease - due to the decrease in the milk production
B) quantity demanded will increase, the equilibrium price will increase, eventually the quantity supplied will increase - due to positive benefits of chocolate
C) quantity demanded will decrease, the equilibrium price will decrease, eventually the quantity supplied will decrease - due to the lower price of a substitute product
D) the equilibrium price will decrease, eventually the quantity supplied and demanded will increase - due to the lower manufacturing price