22. On October 1, 2017, Swift Corporation purchased machinery for $380,000. Salvage value was estimated to be $20,000. The machinery will be depreciated over eight years using the sum-of-the-years'-digits method. What amount should Swift record as depreciation expense for 2018 on this machinery? a. $81,805. b. $77,690. c. $77,500. d. $70,000