Mayr Inc. purchased a machine for its factory on June 6 2019 for $110,000. The machine is expected to have an estimated useful life of ten years with a salvage value of $10,000. Assume the company uses the 1/2 year rule to calculate depreciation expense in the year of acquisition and disposal. Required: compute the depreciation for 2019 and 2020 using 1. the straight-line method 2. the double-declining balance method