Pls helppp and thank you

I think it is profit

Explanation:

Workers were often working in gross, crammed conditions. They made little pay, but it was for the benefit of the workforce.

The owners were delighted with such a high increase in the working population. This increased their margins, which is why I suggest profit. Other than that, I do not know about quality control. I would assume they wanted good products, but the best answer (in my opinion) is profit.

it should definitely consists of the total amount of the entry which hindered the diary of how most conflictions and opinions in the 1800s experiences.

all choices are correct