Answer:
a. Straight line method.
Depreciation per annum = ($ 256,800 - $12,000 ) / 8 = $ 30,600.
Depreciation for 2020 = $ 30,600 * ( 3 /12 ) = $ 7,650.
b. Units of output
Depreciation per unit = ( $ 256,800 - $ 12,000 ) / 48,000 = $ 5.1
Depreciation for 2020 = 1,000 * $ 5.1 = $ 5,100.
c. Working hours.
Depreciation per hours = ( $ 256,800 - $ 12,000 ) / 20,400 = $ 12
Depreciation for 2020 = 600 * $ 12 = $ 7,200.
D. Sum of digits method
Sum of years = 8 ( 8 +1 ) / 2 = 36.
Year - 1 used ( 3 / 12 = 0.25)
Year-2 used ( 12 / 12 = 1 )
Remaining ( 8 - 1 - 0.25 = 6.75)
Depreciation for 2022 = ($ 256,800 - $ 12,000 ) * ( 6.75 / 36 )
Depreciation for 2022 = $ 45,900.
e. Double declining balance
Depreciation rate = 200 / 8 = 25 %.
Depreciation for 2020 = $256,800 * 25 % * (3 /12)
Depreciation for 2020 = $16,050.
Depreciation for 2021 = ( $256,800 - $ 16,050) * 25%
Depreciation for 2021 = $60,188.
