On January 1, 2016, Kristen Company purchased for $180,000 a new machine that has an estimated useful life of ten years (or 550,000 stamping operations), after which the expected salvage value is $10,000. Under each of the following depreciation methods, calculate the depreciation expense for 2016.

Required:

a.	Straight line depreciation
b.	Double declining balance depreciation
c.	Units of production depreciation, if 66,000 stamping operations were made in 2016