XYZ Inc. develops a patent on January 1, 2015, and the costs involved with patent approval are $12,000. The legal life of the patent is 20 years, but XYZ projects that it will provide useful benefits for only 12 years. At January 1, 2018, the company discovers that a competitor will introduce a new product, making this patent useless in five years. How much amortization should be recorded in 2015, 2016, and 2017?

Year	Amortization
2015	$
2016	$
2017	$