Arrwy Instrat ca purchased an entfor $20,000 n 1 dan 2000 tis ested to the wire 10 y 30 salge value at the end of useful life is estimated $20,000 Required: Compute the depreciation expense for the year ended December 31, 2020, using the following methods of depreciation. SHOW YOU CALCULATIONS) 1. Straight-line method of depreciation 2 Units-of-production method of depreciation assuming that the company produced 42.000 units in 2020 3. Double-declining-balance method of depreciation For the follow ALTF10PC) ALTONEFO Mid B TUS Paragraph Awal 10pt T