What was the major innovative technique that allowed henry ford to produce an automobile that could be manufactured and sold at a reasonable cost

The major innovative technique that allowed Henry Ford to produce an automobile that could be manufactured and sold at a reasonable cost was the assembly line.

The assembly line was developed by Ransom Olds in 1901. However, the assembly line system became popular a few years later, thanks to Henry Ford, who, taking the idea of Olds, developed an assembly line with a superior production capacity and of which its emblematic product was the Ford T.

i believe 5 is correct answer

the correct answer is option d

the economy will face inflation