On July 1, 2020, Sheffeld Company purchased for $5,940,000 snow-making equipment having an estimated useful life of 5 years with an estimated salvage value of $247,500. Depreciation is taken for the portion of the year the asset is used. (a) Your answer is partially correct. Complete the form below by determining the depreciation expense and year-end book values for 2020 and 2021 using the 1. sum-of-the-years'digits method. 2. double-declining balance method. Complete the form below by determining the depreciation expense and year-end book values for 2020 and 2021 using the 1. sum-of-the-years'-digits method. 2. double-declining balance method