Answer: Option E
Explanation: Quality control is the technique of operating business operations in which the management focuses on gaining perfection.
It is done to make sure the quality of product is maintained as per the market standards, so that the customer base could be maintained. Quality control is usually done by comparing the set standards.
In the given case, the car testing is done so that the customers make a perception that their cars are safe and tested and do not switch to other options.
Thus, from the above we can conclude that the correct option is E.