27. Which of the following procedures is LEAST likely to be performed before the belance sheer date? a. Observation of inventory b. Testing internal controls over cash c. Search for unrecorded liabilities d. Confirmation of receivables 28. An auditor tests an entity's policy of obtaining credit approval before shipping goods to customers in support of management's financial statement assertion of A. Rights and obligations B. Completeness C. Existence/occurrence D. Valuation & allocation 29. Subsequent events for which the auditor has a responsibility to actively search are defined as events that occur subsequent to the: A. Balance sheet date. B. Date of the auditor's report. C. Balance sheet date but prior to the date of the auditor's report. D. Date of the auditor's report and relate to contingencies that are not reflected in the financial statements