Question: R. Wolfe became the new auditor for Royal Corporation, succeeding C. Mason, who audited the financial statements last year. Wolfe needs to report on Royal's comparative financial statements and should disclose in the report an explanation about other auditors having audited the prior year

a. Only if Mason's opinion last year was qualified.

b. To describe the prior audit and the opinion but not name Mason as the predecessor auditor.

c. To describe the audit but not reveal the type of opinion issued by Mason.

d. To describe the audit and the opinion and name Mason as the predecessor auditor.