There Is a Technological Advance in the Production of Ice

There is a technological advance in the production of ice cream. As a result, the supply curve of ice cream shifts __________and__________ .

A) leftward; both the equilibrium price and equilibrium quantity fall
B) rightward; both the equilibrium price and equilibrium quantity fall
C) rightward; both the equilibrium price and equilibrium quantity rise
D) rightward; the equilibrium price falls while the equilibrium quantity increases