0. Carson Company purchased a depreciable asset for $500,000. The estimated salvare value is $28,000, and the estimated useful life is 10,000 hours, Carson used the asset for 1000 hours in the current year. The activity method will be used for depreciation. What is the depreciation expense on this asset in the current year? a. 28,000 b. 53,200 c. 56,000 d. 79,800 7. Lockard Company purchased machinery on January 1, 2020, for $70,000. The machinery is estimated to have a salvage value of $7,000 after a useful life of 6 years. What is the 2020 depreciation expense using the sum-of-the-years-digits method? a. 10,500 b. 14,000 c. 18,000 d. 20,000