To assist in the planning for the current year's audit engagement, you extracted the following information from a review of the systems notes in the permanent file and perusal of the new control manual: manual delivery notes for dispatch of tiles to customers are raised by the dispatch from the sales order form. Where a delivery is only partially filled, the delivery marked 'hold for invoice' and placed on the incomplete deliveries file. At month supervisor of the dispatch department is responsible for follow-up of the reasons why incomplete deliveries have been outstanding for greater than 30 days. returns of medical equipment by customers due to inferior quality, incorrect oversupply are received by the dispatch department where staff are required to check quantity and condition of the returned tiles. Details noted by the dispatch personnel including the reason for the return, are recorded on a 'goods returned' note. Once this document is passed on to the trade receivables clerk who raise a credit note and to the customer once a delivery has occurred, the office copy manual delivery note is forwarded receivables clerk who is responsible for generating an invoice on the computer invoice is raised by inputting the total quantity delivered and the stock code which is also recorded on the delivery note. The computer then automatically retrieves the stock code price from the selling price Posting to the debtors account occurs automatically once the trade receivables performed a screen check on the accuracy of the input of delivery details. To assist in the planning for the current year's audit engagement, you extracted the following information from a review of the systems notes in the permanent file and perusal of the new control manual: manual delivery notes for dispatch of tiles to customers are raised by the dispatch from the sales order form. Where a delivery is only partially filled, the delivery marked 'hold for invoice' and placed on the incomplete deliveries file. At month supervisor of the dispatch department is responsible for follow-up of the reasons why incomplete deliveries have been outstanding for greater than 30 days. returns of medical equipment by customers due to inferior quality, incorrect oversupply are received by the dispatch department where staff are required to check quantity and condition of the returned tiles. Details noted by the dispatch personnel including the reason for the return, are recorded on a 'goods returned' note. Once this document is passed on to the trade receivables clerk who raise a credit note and to the customer once a delivery has occurred, the office copy manual delivery note is forwarded receivables clerk who is responsible for generating an invoice on the computer invoice is raised by inputting the total quantity delivered and the stock code which is also recorded on the delivery note. The computer then automatically retrieves the stock code price from the selling price Posting to the debtors account occurs automatically once the trade receivables performed a screen check on the accuracy of the input of delivery details