Which of the following procedures is not a fraud-related audit procedure used to respond to identified fraud risk factors?

	a.	Physically inspect tangible assets, including major additions, and agree serial numbers with invoices or other supporting documents.
	b.	Use the work of a specialist for asset valuations, including impairments.
	c.	Confirm the terms of significant additions of property or intangibles with other parties involved in the transaction.
	d.	All of the above are fraud-related audit procedures.