Please provide an answer to the following question

Moyle Co. acquired a machine on January 1, 2019, at a cost of $2,500,000. The machine is expected to have a five-year useful life, with a salvage value of $140,000. The machine is capable of producing 1,695,000 units of product in its lifetime. Actual production was as follows: 339,000 units in 2019; 226,000 units in 2020; 452,000 units in 2021; 282,500 units in 2022; and 395,500 units in 2023. a. Accumulated Depreciation Accumulated Depreciation 1,000,000 12/31/19 472,000 12/31/19 600, 000 12/31/20 472,000 12/31/20 360, 000 12/31/21 472,000 12/31/21 216,000 12/31/22 472,000 12/31/22 129, 600 12/31/23 472,000 12/31/23 b. Accumulated Depreciation d. Accumulated Depreciation 472,000 12/31/19 750,000 12/31/19 314, 667 12/31/20 525,000 12/31/20 629,333 12/31/21 367, 500 12/31/21 393, 333 12/31/22 257, 250 12/31/22 550, 667 12/31/23 180, 075 12/31/23 Required: Refer to the above T-accounts, identify the depreciation method that would result in each of the following annual credit amount patterns to accumulated depreciation. If a declining-balance method is used, indicate the percentage (150% or 200%). (Hint: What do the amounts shown for each year represent?) Event Depreciation method a. b. C. d