Which of the Following Is (Are)correct with Respect to the Concept

Which of the following is (are) correct with respect to the concept of corporate culture?

A) Surveys show that corporate culture does not have much of an impact on the behaviour of employees.
B) Most companies closely monitor their corporate cultures.
C) Respondents in the Edelman Trust Barometer survey said that trust (being able to count on businesses to do the right thing) was more important than the quality of products that businesses produced.
D) Changing a corporation's culture is relatively easy if the proper incentives to change are provided to employees.
E) All of the above are correct.