In designing the required written audit plan (also called an audit program), an auditor should establish specific audit objectives that relate primarily to the

a.cost of obtaining sufficient competent evidential matter.

b.financial statement assertions.

c.stability of data used for analytical procedures.

d.timing of tests of controls.

e.likelihood of being sued for failure to use due care.

Which of the following types of audit evidence is considered to be the most reliable?

a.Prenumbered client shipping documents.

b.Client work sheets documenting their manufacturing cost allocations.

c.Client personnels verbal responses to the auditors inquiries.

d.Confirmation of a customers accounts receivable balance sent directly by the customer to the auditor.

e.Speculation in a local newspaper that a client company may have financial difficulties.