12. Which of the following statements best describes the auditor's responsibility regarding the detection of fraud? a) The auditor provides only reasonable assurance that the financial statements are free of both material errors and fraud. b) Auditor is responsible for detecting material financial statement fraud, but not a material misappropriation of assets. c) The auditor is responsible for the failure to detect fraud only when an unqualified opinion is issued. d) None of the above. e) All of the above