In 2009, Hersey purchased a machine to make chocolate for $60,000, and estimated that the total production of this machine is 100,000 tons of chocolate, and the salvage value is $4,000. The actual production of the machine was 40,000 tons in 2009, 35,000 tons in 2010, and 20,000 tons in 2011. Calculate the depreciation expenses for the year 2011.

Options:

A) $18667

B) $14000

C) $22400

D) $11200