12.During 2015, Merkley Company disposed of three different assets. On January 1, 2015, prior to their disposal, the accounts reflected the following:

Asset	Original Cost		Residual Value		Estimated Life	Accumulated Depreciation (straight line)
Machine A	$	42,000	$	3,000	10 years	$	31,200 (8 years)
Machine B		65,000		4,000	10 years		48,800 (8 years)
Machine C		75,500		5,200	16 years		52,725 (12 years)

The machines were disposed of in the following ways:

a. Machine A: Sold on January 1, 2015, for $10,500 cash. b.

Machine B: Sold on December 31, 2015, for $10,800; received cash, $2,400, and a $8,400 interest-bearing (12 percent) note receivable due at the end of 12 months.

c.

Machine C: On January 1, 2015, this machine suffered irreparable damage from an accident. On January 10, 2015, a salvage company removed the machine at no cost.

10.Trotman Company had three intangible assets at the end of 2013 (end of the accounting year):

a.

Computer software and Web development technology purchased on January 1, 2012, for $79,000. The technology is expected to have a four-year useful life to the company.

b.

A patent purchased from Ian Zimmer on January 1, 2013, for a cash cost of $24,000. Zimmer had registered the patent with the U.S. Patent Office five years ago.

c.

An internally developed trademark registered with the federal government for $29,000 on November 1, 2013. Management decided to capitalize the $29,000 as an intangible asset with an indefinite life.

Compute the amortization of each intangible at December 31, 2013. The company does not use contra-accounts. (Assume the company uses straight-line method.)