What accounting concept is GAAP approved?

	a.	Expenses are recognized when paid
	b.	Cash basis accounting
	c.	Revenue is recognized when cash received.
	d.	Accrualbasis accounting

On January 17, 2019, Falcon Corporation hired Gator, Inc. ("Gator") to provide corporate training to the Eagle employees for $4,000. The one-day seminar was on January 20, 2019. Falcon paid Gator on January 21, 2019. How much expense should Falcon record in January 2019?

	a.	$2,000
	b.	$333
	c.	$4,000
	d.	$0