Answer:
The correct answer is letter "B": Establishing relevant facts, evaluating the reasonableness of assumptions and representations, and arriving at a conclusion supported by the law and facts in a tax memorandum.
Step-by-step explanation:
Among the best practices that tax advisers are committed to we can find defining the facts, deciding that facts are particular, evaluating the rationality of any conclusions or interpretations, applying the applicable law to the particular facts, and reaching a conclusion informed by law and evidence.