Joseph Juran provided guidance regarding how to conduct quality planning, quality control, and quality improvement. Which of the following items is NOT part of Juran's Quality Trilogy?
a. identify all customers and their needs, develop requirements, and develop methods to satisfy those requirements.
b. work to identify root causes, not just symptoms
c. determine what to control, establish measurement systems, establish standards and compare performance to standards.
d. select and support improvement projects, select and implement solutions, and maintain control of improved processes.