Below are some audit procedures. Classify each procedure according to the following types of audit evidence: 1) inspection, 2) external confirmation, 3) recalculation, 4) observation, 5) inquiry of the client, 6) reperformance, and 7) analytical procedure. (each procedure can be used more than once or not at all) Type of Evidence Audit Procedures Count inventory items and record the amount in the audit working papers. Stand by the payroll time clock to determine whether any employee "punches in" more than one time. Calculate the ratio of cost of goods sold to sales as a test of overall reasonableness of gross margin relative to the preceding year. Obtain information about the client's internal controls by asking questions of client personnel. Examine the purchase invoice for a piece of equipment and ensure that the equipment was received and is in operation. The auditor computes the debt covenant based on the financial information to ensure that the client's calculation was performed correctly. Obtain a written statement from the client's bank stating the client's year-end balance on deposit