What Does Business Process Reengineering Involve

What does business process reengineering involve?

A) Analyzing and redesigning workflow within and between enterprises
B) Managing information flows between and among activities in a supply chain to maximize total supply chain effectiveness and corporate profitability
C) Managing all aspects of a customer's relationship with an organization to increase customer loyalty and retention and an organization's profitability
D) Integrating all departments and functions throughout an organization into a single IT system so that employees can make decisions by viewing enterprise-wide information on all business operations