Which of the following is an example of a feedback loop within an organization?

A) Two teams in Blue Sun Corp. are involved in a dispute about unfair allocation of resources, which has led to lost productivity.
B) Blue Sun's accounting and purchasing functions were integrated for greater efficiency.
C) Blue Sun makes it a point to obey even those safety regulations not mandated by the government.
D) Blue Sun uses the information obtained from quality control reports to improve its production processes.
E) Though Blue Sun's customers are allowed the use of its proprietory software, they cannot modify it in any way.

D