This document presents a comprehensive solution to an auditing theory and practice assignment. It addresses ethical considerations based on APES 110, examining various scenarios of ethical breaches, such as violations related to working papers, professional conduct, and advertising. The assignment also explores different types of audit opinions, including unqualified, qualified, disclaimer, and adverse opinions, providing detailed explanations and justifications for each. The solution analyzes cases where specific audit opinions are appropriate, considering factors like client restrictions, non-disclosure of liabilities, inadequate internal controls, and non-compliance with accounting standards. The document offers a thorough understanding of auditing principles and their practical application in real-world scenarios.