Every audit procedure obtains one or more of the following types of evidence:

1. PHYSICAL EXAMINATION
2. CONFIRMATION
3. INSPECTION /DOCUMENTATION
4. ANALYTICAL PROCEDURES
5. INQUIRES OF CLIENT
6. RECALCULATION
7. REPERFORMANCE
8. OBSERVATION

For each of the following audit procedures, classify each according to the eight types of audit evidence above

1. Inquire of management whether there is any obsolete inventory on hand at the balance sheet date
2. Examine a sample of vendors invoices to determine whether the goods or services received are reasonable and of the type normally used by the clients business
3. Re-compute the unit sale price times the number of units for a sample of duplicate sales invoices and compare the totals with the calculation
4. Count a sample of 100 inventory items and compare quantity and description to clients accounts
5. Obtain a letter from the clients attorney addressed to the CPA firm stating the attorney is not aware of any existing lawsuits
6. Add the sales journal entries to determined whether they were correctly totaled
7. Read the minutes of a Board of Directors meeting and summarize all information that is pertinent to the financial statements in an audit file
8. Compute inventory turnover ratios and compare with those of previous years as a test of inventory obsolescence
9. Examine an insurance policy stating the amount of fire insurance coverage on buildings and equipment
10. Calculate the ratio of cost of goods sold to sales as a test of overall reasonableness of gross margin relative to the preceding year
11. Observe whether the two inventory count teams independently count and record inventory counts
12. Foot the sales journal for a one-month period and compare all totals with the general ledger
13. Vouch a sample of recorded acquisition transactions to vendors invoices and receiving reports
14. Examine corporate minutes to determine the authorization of the issue of bonds
15. Review the total of repairs and maintenance for each month to determine whether any months total was unusually large