When evaluating internal control of an entity that processes sales transactions on the Internet, an auditor would be most concerned about the Potential for computer disruptions in recording sales Lack of sales invoice documents as an audit trail Frequency of archiving and data retention Inability to establish an integratedAn auditor estimates that 10,000 checks were issued during the accounting period. If a computer application control which performs a limit check for each request is to be subjected to the auditor's test data approach, the sample should include One transaction A number of test items determined by the auditor to be sufficient under the circumstances A number of test items determined by the auditor's reference to the appropriate sampling tables Approximately 1,000 items test facility