Depreciation Methods Sayers Company purchased a bullding for $250,000 on January 2,2019 . The buliding has an expected residual value of $20,000 at the end of its expected ife of 20 years. Required: 1. a. Prepare a schedule showing depreciation expense for 2019 and 2020 and the book value on December 31, 2019, and December 31,2020 , for straight-line method. If required, round your answers to the nearest dollar. b. Prepare a schedule showing depreciation expense for 2019 and 2020 and the book value on December 31, 2019, and December 31 , 2020, for sum-of-the-years'-digits method, if required, round your answers to the nearest dollar. c. Prepare a schedule showing depreciation expense for 2019 and 2020 and the book value on December 31,2019 , and December 31 , 2020, for double-declining-balance method. If required, round your answers to the nearest dollar. d. Prepare a schedule showing depreciation expense for 2019 and 2020 and the book value on December 31, 2019, and December 31,2020 , for 150%-declining-balance method. If required, round your answers to the nearest dollar. 2. Hoiding all other things equal, the recording of depreciation causes the rate of return on total assets to each year because the book value of the property, plant, and equipment. each year