The Gruman Company purchased a machine for $ 220,000 on January 2, 2013. It made the following estimates:

Service life	5 years or 10,000 hours
Production	200,000 units
Residual value	$ 20,000

For each method, what is the book value of the machine at the end of 2013? At the end of 2014?

Straight-line method

2013	$
2014	$

Sum-of-the-years'-digits method

2013	$
2014	$

Double-declining-balance method

2013	$
2014	$

Activity method based on hours worked

2013	$
2014	$

Activity method based on units of output

2013	$
2014	$