New Jersey requires that a worker pump gas at all gas stations. Most other states, except Oregon, allow customers to pump their own gas. Relative to stations with the self-serve option, we might expect the _____ curve for non-self-serve gasoline sales to shift to the _____ causing _____ pressure on gas prices.

supply; right; downward

supply; left; upward

demand; right; upward

demand; left; downward