Answer:
The marginal product of automatic elevator equipment divided by its price was greater than that for elevator operators
Step-by-step explanation:
Since in the question, it is mentioned that the automatic elevator introduction permit the firms to handle the movement of the people at least cost also it declines the demand for the operators of the elevator
This represents that the marginal product of elevator equipment would be divided by price and also it is more than for operators who are dealing in elevators