Respuesta :
Answer:
Net Income Calculation for 2021
                        Company A    Company B    Company C
Revenue                   $53,000       $53,000       $53,000
Less Depreciation Expense   ($15,000)       ($0.00)        ($16,800)
Net Income / (Loss) Â Â Â Â Â Â Â Â Â $38,000 Â Â Â Â Â Â $53,000 Â Â Â Â Â Â $36,200
Explanation:
Company A
Depreciation Expense (Straight line) : (Cost - Salvage Value) / Number of Useful Life
2021 = ($62,000-$2,000) / 4
    = $15,000
Company B
Depreciation Expense (Double Declining Balance) : 2 × SLDP × BVSLD
SLDP = 100/ 4
     = 25%
2018 = 2 × 25% × $62,000
    = $ 31,000
2019 = 2 × 25% × ($62,000 - $ 31,000)
    = $ 15,500
2020 = 2 × 25% × ($62,000 - $ 31,000 - $ 15,500 )
    = $ 7,750
2021 = 2 × 25% × ($62,000 - $ 31,000 - $ 15,500 - $ 7,750 )
    = 0
In 2021 depreciation will only be allowed where:
Book Value = Salvage Value
Test to see if Book Value has fallen below Salvage Value :
Cost                         $62,000
Less Accumulated depreciation   $54,250
Book Value                    $ 7,750
Company C
Depreciation Expense (units-of-production) : (Cost - Salvage Value) × Period`s Production / Total Expected Production
2021 = ($62,000-$2,000) × 70,000/  250,000
    = $16,800
Net Income Calculation for 2021
                        Company A    Company B    Company C
Revenue                   $53,000       $53,000       $53,000
Less Depreciation Expense   ($15,000)       ($0.00)        ($16,800)
Net Income / (Loss) Â Â Â Â Â Â Â Â Â $38,000 Â Â Â Â Â Â $53,000 Â Â Â Â Â Â $36,200