Sheffield SpA purchased a new machine for its assembly process on August 1. 2022. The cost of this machine was 168,000. The company estimated that the machine would have a residual value of 26,880 at the end of its service ife. Its life is estimated at 5 years. and its working hours are estimated at 23,520 hours. Year-end is December 31 Compute the depreciation expense under the following methods. Each of the following should be considered unrelated, (Round depreciotion rate per hour to 2 decimal ploces, eg 5.35 for computational purposes. Round your answers to 0 decimal places, es. 45,892 .)