On January 1, 2018, a machine was purchased for $112.500. The machine has an estimated salvage value of $ 7.200 and an estimated useful life of 5 years. The machine can operate for 117,000 hours before it needs to be replaced. The company closed its books on December 31 and operates the machine as follows:2018, 23.400 hrs: 2019. 29.250 hrs, 2020, 17.550 hrs: 2021. 35.100 hrs; and 2022. 11.700 hrs. (a) Compute the annual depreciation charges over the machine's life assuming a December 31 year-end for each of the following depreciation methods. (Round answers to decimal places, es 45,892.) 1 Straight-line Method $ 2 Activity Method Year 2018 S 2019 s 2020 $ 2021 S 2022 3. Sum-of-the-Years-Digits Method Year 2018 S S 2019 $ 2020 $ 2021 $ 2022 4. Double-Declining-Belance Method Year 2018 $ 2019 S 2020 3 2021 2022