Which of the Following Takes the Route of Business Process

Which of the following takes the route of business process reengineering to attain operational excellence?

A) AT&T works toward creating a total quality culture by continuously reviewing the performance of every value chain activity.
B) Acer Phones uses advanced statistical methods to remove the causes of defects at its manufacturing units.
C) Ericsson introduces continuous-improvement business philosophy at its customer care centers.
D) Cellkon pulls the pieces of an activity out of different departments to create a cross-functional work group.
E) Honeywell strives to incrementally reduce defects through an ongoing assessment process.