Which of the following is included as part of the AICPA’s principles governing an audit?

a. Auditors need to obtain a high level of assurance that the financial statements are free of all misstatements.

b. An audit has inherent limitations such that auditor cannot provide absolute assurance about whether the financial statements are free of misstatement.

c. Auditors need to maintain professional skepticism only on audits where there is a high risk of material misstatement.

d. All of the above are included as part of the AICPA’s principles governing an audit.