Question 4: (C1&C2)(8 Marks) Read the following statements carefully: 1- Recalculate the allowance of Accounts receivables. 2- Vouch sales journal entries to sales invoices. 3- Inspect Bank statement in the client's file. 4- Trace sales invoices to account receivable ledger. 5- Ask payroll department to make report about the calculating criteria of the over time. 6- Inspect the disclosure of inventories in the financial statements. 7- Ask management about inventories the client has legal title on it. 8- Observe that Inventory quantities include all products, materials, and supplies on hand. Instructions: Indicate the source of Document for each statement obtained directly by the auditor, external circulated internally, internal circulated externally, entirely internal). No. The source of Document