107 A customer of Humphries Co has been experiencing cash flow problems and its year-end balance is $0.3m. The company has just become aware that its customer is experiencing significant going concern difficulties. The management of Humphries believes that as the company has been trading for many years, they will receive some, if not full, payment from the customer; hence they have not adjusted the receivable balance. Which of the following audit procedures should be performed in order to form a conclusion on the amendment required to Humphries’ 20X1 financial statements? (1) Reviewing the post year-end period for payments received from the customer in respect of the year end debt (2) Reviewing correspondence with the customer to assess the likelihood of Humphries recovering the $0.3m (3) Writing to the customer to request confirmation of the amount owed to Humphries at the year end (4) Ask management to produce a revised cash flow forecast covering at least 12 months after the year end