Basso includes in his song Chords a few seconds of Dantes copyrighted sound recording Etudes without permission. Some federal courts have found that such digital sampling could be: (choose all applicable answers)

	a.	acceptable if it increases the sales of the original item.
	b.	a fair use exception to the act.
	c.	acceptable if less than 5 minutes of the original item is used.
	d.	a violation of copyright law.