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. select and support improvement projects, select and implement solutions, and maintain control of improved processes.b. work to identify root causes, not just symptoms.c. identify all customers and their needs, develop requirements, and develop methods to satisfy those requirements.d. determine what to control, establish measurement systems, establish standards and compare performance to standards.