Which of the following statements regarding determining an activity for purposes of the passive activities and at-risk rule are correct?

(1) an activity for the at-risk rules is also necessarily an activity for the passive activity loss rules

(2) a passive activity is any activity that involves the conduct of a trade or business in which the taxpayer does not materially participate

(3) a passive activity does not include rental activity

(4) a taxpayer must group (aggregate) passive activities in the first year if the taxpayer wants to group them at any point in the future

	a.	(1)and (2) only
	b.	(2)and (3) only
	c.	(2)and (4) only
	d.	(3) and(4) only