1. Maserati Corporation purchased a new machine for its assembly process on July 1,2022 . The cost of this machine was $150,000. The company estimated that the machine would have a salvage value of $24,000 at the end of its service life. Its life is estimated at 5 years and its working hours are estimated at 21,000 hours. Maserati depreciates the machine to the nearest fraction of a year. Year-end is December 31. Compute the depreciation expense for the entire useful life under the following methods. \[ \text { [ } 21 \text { Cim_nf_tho-wasro'_diaite } \] [4] Double-declining balance