This illustrates how depreciation methods impact financial statements. Identify depreciation methods used. Moyle Co. acquired a machine on January 1, 2008, at a cost of $320,000. The machine is expected to have a five-year useful life with a salvage value of $20,000. The machine is capable of producing 300,000 units of product in its lifetime. Actual production was as follows: 60,000 units in 2008; 40,000 units in 2009; 80,000 units in 2010; 50,000 units in 2011; and 70,000 units in 2012.

Required:

Identify the depreciation method that would results in each of the following annual credit amount patterns to accumulated depreciation. If a declining balance method is used, indicate the percentage (150% or 200%).