Randy Automotive purchased equipment on October 1,2021 , at a total cost of $150,000. The machine has an estimated useful life of 8 years or 100,000 hours, and an estimated residual value of $10,000. The year end is December 31st. What is the depreciation in 2021 using the straight line method? What is the depreciation in 2022 using the straight tine method? What is the depreciation in 2021 using the units of production assuming the company used 4,400 hours? What is the depreciation in 2022 using the units of production assuming the company used 20,000 hours? What is the depreciation in 2021 using the double diminishing batance method? What is the depreciotion in 2022 using the double diminishing balance method