Explanation:
1. As in the case of Certain-Tees, Inc., their approach follows The Fairness or Justice ethical framework. This ethical framework involves the basic belief that everyone or everything should be treated or done fairly.
2. As in the case of Sahara, Inc., and Perfect Paper executives, their approach follows the Utilitarian ethical framework. Which is the belief in doing what brings the greatest or most good to the majority.
3. As in the case of Positron Auto Parts, their approach follows The Common Good ethical framework, which relies heavily on cultural aspects to define ethical practices.