What Conclusions Did Business Managers Draw from the Hawthorne Studies

What conclusions did business managers draw from the Hawthorne studies?

A) Managers need to have an equally high concern for production and people.
B) Paying workers a higher wage would cause them to increase their production.
C) Paying attention to employees is a good business practice.
D) The informal group was relatively unimportant.
E) Improving lighting increases productivity.