Harris Fell, CPA and member of the AICPA, was engaged to audit the financial statements of Wilson Corporation. Fell had half-completed the audit when he had a dispute with the management of Wilson Corporation and was discharged. Hal Compton, CPA, was promptly engaged to replace Fell. Wilson Corporation did not compensate Fell for his work to date; therefore, Fell refused to allow Wilson Corporation's management to examine his working papers. Some of the working papers consisted of adjusting journal entries and supporting analysis. Wilson Corporation's management had no other source for this information. what was Hal's responsibilities before he accepted the audit engagement?