What Would Happen to the Equilibrium Price and Quantity of Lattés

Multiple Choice

What would happen to the equilibrium price and quantity of lattés if the cost of producing steamed milk, which is used to make lattés, rises?

A) Both the equilibrium price and quantity would increase.
B) Both the equilibrium price and quantity would decrease.
C) The equilibrium price would increase, and the equilibrium quantity would decrease.
D) The equilibrium price would decrease, and the equilibrium quantity would increase.