External auditors must perform the following procedures quarterly to identify any material modifications in controls that may impact financial reporting, except: Select one: a. Interview management regarding any significant changes in the design or operation of internal control that occurred subsequent to the preceding annual audit or prior review of interim financial information. b. Evaluate the implications of misstatements identified by the auditor as part of the interim review that relate to effective internal controls. c. Understand the flow of transactions, including IT aspects, in sufficient detail to identify points ^t which a misstatement could arise. d. Determine whether changes in internal controls are likely to materially affect internal control over financial reporting