Shawn Is the Manager of Parts Procurement at a Vacuum

Shawn is the manager of parts procurement at a vacuum cleaner assembly plant. His boss recently approached Shawn and commended him for falling under budget, but also mentioned that parts are sometimes low in quality. Which of Deming's 14 points should Shawn's manager recommend?

A) Seek continuous improvement
B) Avoid following a low-cost strategy
C) Give up on quality by inspection
D) Avoid the constant search for lowest-cost suppliers
E) Get rid of numerical quotas