I kinda need help on this problem! thank you

Name On January 6, 2018 Bello Company purchased equipment to use in production. The equipment cost $48,000 and has an estimated useful life (EUL) of 4 years or 20,000 hours. Based on historical data and vendor estimates, the estimated residual (trade-in) value is $4,000 at the end of its EUL. Determine the depreciation on the truck under each of the following methods: a) Straight-line Method: Year. Depreciation Expense Accumulated Depreciation Book Value 2018 2019 2020 2021 b) Activity Method: Hours used: 7,500 in 2008; 8,000 in 2009; 3,400 in 2010; and 2,000 in 2011. Accumulated Book Value Depreciation Year Depreciation Expense 2018 2019 2020 CS prazozied with CamScanner c) Double-Declining Balance Method: Year Depreciation Expense Accumulated Depreciation Book Value 2018 2019 2020 2021 CS Scanned with CamScanner