On January 1, 2020, Alvarado Company purchased a new machine for $400,000. It is estimated that the machine will have a $40,000 salvage value at the end of its 5-year useful service life. Over that time it is estimated that the machine will produce a total of 90,000 units of product Complete the tables on the attached template assuming the straight-line method of depreciation b. units of activity method of assuming 16.000 units of product are produced in 2020 and 24,000 units are produced in 2021 double declining balance method of depreciation