The auditor provides an opinion on internal control over financial reporting for one of its public company clients.

A. Is the auditor also required to audit the company's financial statements at the same time? Explain.

B. Does an unqualified report on internal controls over financial reporting imply that the company does not have any significant deficiencies in controls? Explain.

C. If the auditor did not detect any material misstatements in the financial statements, can the auditor conclude that there are no material weaknesses in internal control? Explain.