Top Management at Bachman Audio,a Stereo Equipment Manufacturer,has Been Working

Top management at Bachman Audio,a stereo equipment manufacturer,has been working with a consultant to implement ISO 9001.Together,they have been developing methods to meld manufacturing and other processes into efficient and effective systems.Thus,they have been addressing the principle of ISO 9001 known as the

A) factual approach to decision making.
B) involvement of people.
C) mutually beneficial supplier relationships.
D) process approach.
E) system approach to management.