This study analyzes the different theories of ethics along with the AAA model and APES 110 model and how they help guide ethical outcomes. The case of WorldCom Company is discussed, which faced ethical and fraudulent charges due to actions taken in changing their financial statements. The study discusses the different theories applied to the actions of the employees and the seven steps of the American Accounting Association (AAA) model that can be used to make ethical decisions. The APES 110 Code of Ethics for Professional Accountants is also discussed.