Clark, CPA, is engaged in the audit of Tower Wholesaling for the year ending December 31. Clark obtained an understanding of internal control relating to the purchasing, receiving, trade accounts payable, and cash disbursement cycles and has decided not to proceed with tests of controls. Based on analytical procedures, Clark believes that the trade accounts payable on the balance sheet as of December 31 may be understated. Clark requested and obtained a client-prepared trade accounts payable schedule listing the total amount owed to each vendor. After reading the scenario above, answer the following questions: If Clark sends confirmations to the vendors, would he use positive or negative confirmations? Why? List 7 other audit procedures and what they accomplish