Nash Corporation purchased a new machine for its assembly process on August 1,2025 . The cost of this machine was $122,700. The company estimated that the machine would have a salvage value of $14,700 at the end of its service life. Its life is estimated at 5 years. and its working hours are estimated at 20,000 hours. Year-end is December 31 Compute the depreciation expense under the following methods. Each of the following should be considered unrelated. (Round depreclation rate per hour to 2 decimal ploces, es. 5.35 for computational purposes. Round your answers to 0 decimal places, es. 45,892. (a) Straight-line depreciation for 2025 (b) Activity method for 2025 , assuming that machine usage was 900 hours $ (c) Sum-ot-the-years-digits for 2026 (d) Double declining-balance for 2026