In the case of an accrual basis taxpayer, an item of income:

	a.	Is not recognized until cash is received.
	b.	From services is never recognized until the services are performed.
	c.	Is not recognized if the customer can return the goods.
	d.	Is recognized when all the events have occurred to fix the taxpayer%u2019s right to receive the income and the amount of the income can be determined with reasonable accuracy.
	e.	None of the above.