What man is responsible for creating the idea for assembly-line production, which drove down the cost of manufactured goods? harold smith or auguste lumiere or henry ford or bill robinson

I believe the correct answer from the choices listed above is the third option. The man responsible for creating the idea for assembly-line production, which drove down the cost of manufactured goods would be Henry Ford. One of America's foremost industrialists, Henry Ford revolutionized assembly-line modes of production for the automobile.