Comix, Inc. Wishes to calculate the proper amount of depreciation, for the veur unded December 31,2020 , on each of the following assets. 1. The company purchased a machine on fuly 1, 2019 at a cost of 540,000 . The useful ife of the machine was estimated to he 10 years, and the salvage value was estimuled to bet 54,000, Comix uses the straight-line method to record depreciation on this machine. 2. An automobile was purchased on January 1,2018 at a cost of $30,000. The auto was. expected to have a service life of 90,000 miles, wht no salvage value at the end of it's We. Actual miles driven by the automobile totaled 15,000 miles in 2018,30,000 miles in 2019 , and 20,000 miles in 2020. Comix uses the units of production (activity) method to record depreciation on this asset. 3. Comix purchased a piece of equipment on September 1,2019 for $35,000. The asset was expected to have a useful life of 10 years and a salvage value of $5,000. Comix uses the doubledeclining-balance method depreciation for this asset. 4. On January 1,2018, Comix purchased a machine at a cost of $20,000. The machine had an estimated useful life of 10 vears, and no salvage value. Comix used the sum-of-the-years-digts method to record depreciation for 2018. On January 1,2019, Comix decided to change to the straight-line method of depreciation for this asset, and also decided to use a salvage value of $2,000 for this asset going forward. REQUIRED: Calculate the proper amount of depreciation to record for the year ended December 31 . 2020 , for each of the assets described above