Your intern comes to you with the following questions about your company's change control board. What is not one of the primary reasons why a change control board is needed? How do you answer?
a) Change control is needed so that changes can be made quickly.
b) Change control is needed so that changes can be reversed.
c) Change control is needed so that all changes can be controlled.
d) Change control is needed so that the impact of new changes can be studied