Depreciation--Jerry Company purchased machinery for $315,000 on May 1,2020 . It is estimated that it will have an useful life of 5 years, and a salvage value of $15,000. the machine is expected to last 100,000 hours. The machine was used for 25,000 hours the first year. What is the depreciation for the first year assuming working hours method (activity method) is expected to be used