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Shamrock Corporation purchased a new machine for its assembly process on August

ID: 2555370 • Letter: S

Question

Shamrock Corporation purchased a new machine for its assembly process on August 1, 2017. The cost of this machine was $139,122. The company estimated that the machine would have a salvage value of $15,222 at the end of its service life. Its life is estimated at 5 years, and its working hours are estimated at 19,800 hours. Year-end is December 31.

Compute the depreciation expense under the following methods. Each of the following should be considered unrelated. (Round depreciation rate per hour to 2 decimal places, e.g. 5.35 for computational purposes. Round your answers to 0 decimal places, e.g. 45,892.)

(a) Straight-line depreciation for 2017 $

(b) Activity method for 2017, assuming that machine usage was 830 hours $

(c) Sum-of-the-years'-digits for 2018 $

(d) Double-declining-balance for 2018 $

Explanation / Answer

1.Depreciation Under Stright Line Method

Depreciation for 2017    = ( Cost of the Machine – Salvage Value )/Usefull Life

                             = [ ( $ 1,39,122 - $ 15,222 ) /5 Years] * 5/12

                             = $ 10,325

2. Depreciation Using Activity Method

Depreciation for 2017 = [(Cost of Machine – Salvage Value) /Total Hours] x Actual Hours

                   = $ 1,23,900 x 830 Hours / 19800 Hours

                   = $ 5,194

3.Depreciation Using sum of years digit method

Depreciation for 2018    = $ 123900 x 4/15

                                      = $ 33,040

4.Depreciation for 2018 Using Double Declining Balance

Depreciation for 2018 = $ 46,374

Year

Book Value Begining

Double Declining Depreciation = 2 x SL Depreciation Rate x Book Value Begining

Net Book Value End

2017

$ 139122

$ 23,187

$ 115935

2018

$ 115935

46374

69561

***Stright Line Depreciation Rate = 1/5 = 20%

**$ 139122 x 2 x 20% x 5/12 = $ 23,187

Year

Book Value Begining

Double Declining Depreciation = 2 x SL Depreciation Rate x Book Value Begining

Net Book Value End

2017

$ 139122

$ 23,187

$ 115935

2018

$ 115935

46374

69561

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