Answer:
48,000
56,000
the unit of production method
Explanation:
Straight line depreciation expense = (Cost of asset - Salvage value) / useful life
($300,000 - $20,000) / 10 = $28,000
Depreciation expense using the double declining method = Depreciation factor x cost of the asset
Depreciation factor = 2 x (1/useful life)
Depreciation in 2021 = 2/10 x $300,000 = $60,000
Book value in 2022 = $240,000
Depreciation in 2022 = 48,000
Unit of production = number of hours in 2022 / total number of hours) x (cost of asset -- savlage value)