Comment on the reliability of each of the following examples of audit evidence. Arrange your answer in the form of a separate paragraph for each item. Explain fully the reasoning employed in judging the reliability of each item.
a. Copies of client’s sales invoices.
b. Auditors’ independent computation of earnings per share.
c. Paid checks returned with a bank statement.
d. Response from customer of client addressed to auditors’ office confirming amount owed to client at balance sheet date.
e. Representation letter signed by controller of Client Company stating that all liabilities of which she has knowledge are reflected in the company’s accounts.