M6-18.ComputingDepreciationUnderStraight-LineandDouble-Declining-Balancefor Partial Years A company with a calendar year-end, purchases a machine costing $129,000 on July 1, 2016. The machine is expected to be obsolete after five years (60 months) and, thereafter, no longer useful to the company. The estimated salvage value is $6,000. The company's depreciation policy is to record depreciation for the portion of the year that the asset is in service. Compute depreciation expense for both 2016 and 2017 under the following depreciation methods. a. Straight-line b.Double-declining-balance