a) Straight line method = (228000-12000/8) × 3/12 = 6750. Thus the depreciation expense of Tamarisk Company by using Straight-line method for 2020 is 6750
A method of accounting known as the double declining balance (DDB) depreciation method entails double the rate of depreciation for some assets compared to straight-line depreciation. As a result, depreciation rises the most during the first year of ownership before falling over time. When you buy assets that depreciate more quickly in their initial years, you should employ double declining balance depreciation. A GAAP-approved method for discounting the value of equipment as it ages is double-declining depreciation, which is described as an accelerated method of depreciation. A tangible asset is depreciated at a rate that is double the rate of straight-line depreciation.
b) Activity method = (228000-12000/36000) × 1100 = 6600
c) Activity method = (228000-12000/20000) × 550 = 5940
d) Sum of year digit
= 216000 × 7/36 × 9/12 + 216000 × 6/36 × 3/12 = 40500
e) Double decline balance
= 228000 × 25% × 9/12+228000 × 75% × 25% × 3/12 = 53438
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