Answer:
a. Depreciation expenses in 2021 is 15,400 and depreciation expenses in 2022 is also $15,400.
b. depreciation expenses in 2021 is 20,680, while depreciation expenses in 2022 is also $18,480.
Step-by-step explanation:
Depreciable amount = Purchase price - Residual value = $162,000 - $8,000 = $154,000
a. Using a straight line method
Annual deprecation expense = $154,000 / 10 = $15,400
Therefore, depreciation expenses in 2021 is 15,400 and depreciation expenses in 2022 is also $15,400.
b. Using unit of production method
2021 depreciation expenses = (47,000 / 350,000) * $154,000 = $20,680
2022 depreciation expenses = (42,000 / 350,000) * $154,000 = $18,480.