Computing Partial Period Depreciation under Multiple Depreciation Methods Compute depreciation expense for 2021 for each asset #1, #2, #3, and #4. Note: Do not round until your final answer. Round your final answer to the nearest whole dollar. Acquisition Acquisition Useful Salvage 2021 Depreciation Asset Date Depreciation Method Cost Life Value Expense #1 Jan. 1, 2020 Straight-line $4,000 4 years $200 $ 950 #2 Aug. 30, 2020 Double-declining-balance 5,800 8 years 400 $ 1,350 X #3 Feb. 1, 2021 Sum-of-the-years'-digits 7,200 4 years 320 $ 4,403 x #4 Jul. 31, 2021 Straight-line 13,520 8 years 0 $ 1,690 x