1. What is the difference between general and specific authorisation? 2. What is data mining? 3. The presence of an audit trail is critical to the integrity of the accounting information system. Discuss three of the techniques used to preserve the audit tr 4. Define and contrast attestation services and assurance services. 5. Explain the role of accountants in the conceptual design stage. 6. Categorize each of the following activities into the expenditure, conversion or revenue cycles and identify the applicable subsystem. a. Preparing the weekly payroll for manufacturing personnel. b. Releasing raw materials for use in the manufacturing cycle. c. Recording the receipt of payment for goods sold. d. Recording the order placed by a customer. e. Ordering raw materials. f. Determining the amount of raw materials to order. What are the basic stogo