Irvington Manufacturing Inc. purchased a new machine on April 1, 2017, that was built to perform various functions on its assembly line. Data pertaining to the machine are as follows:

Acquisition cost $330,000

Salvage value $30,000

Useful life:

Years 5

Service hours 250,000 hours

Production capacity 300,000 units

Required: Calculate the annual depreciation expense for the years ending December 31, 2017 and 2018 using the following methods:

1. Straight line
2. Service hours, assuming the machine was used 32,000 hours in 2017 and 36,000 hours in 2018
3. Units of Production, assuming the machine produced 31,000 units and 37,000 units in 2017 and 2018, respectively.
4. Double declining balance method
5. Sum of the years digits method