Tyler is working for a multinational company named Qualtech. And this company involved in the spare parts manufacturing. He is working on the project quality management process, and involved in effective quality management activities. Tyler updated his manager on the number of defects to be reduced once implementation of the strict measures in the Quality control department is affected. The levels of effective quality management are?

A. Detect and correct the defects before the product is delivered to the customer as part of quality control process.

B. Use quality assurance to examine the available processes and correct the processes itself.

C. Create a culture throughout the organization of awareness and commitment to quality in the products and processes available.

D. All of the above.