question a answer is not required

Question 19 (18 marks) Confirmation requests to debtors are one of the audit procedures to obtain sufficient appropriate evidence as to trade accounts receivable. Required: a. If there is no response to a positive confirmation, suggest THREE auditing steps that you should perform. (6 marks) b. If there is no response to a negative confirmation, suggest the implications. (3 marks) c. Suggest THREE necessary information that your client can provide to help with the preparation of confirmation requests to debtors. (3 marks) ( d. In addition to sending confirmation requests, your audit junior is seeking your advice on how to evaluate whether trade accounts receivable is fairly valued at the year-end date. Briefly describe THREE methods. (6 marks)