i need help with these problems

Question 2) Megan Company purchased a new machine on September 1, 2021, at a cost of $131,000. The company estimated that the machine has a salvage value of $51,515, is expected to be used for 88,316 working hours, and will have a 7-year life. Instructions: A) Compute the depreciation expense under the straight-line method for 2021, 2025, and 2028, assuming a December 31 year-end. I B) Compute the depreciation expense under the double-declining balance method for 2021 and 2022. Round the DDB percentage rate to 2 decimal places. C) Compute the depreciation expense under the units-of-activity method for 2021, assuming machine usage was 4,444 hours. (record depreciation per unit to the nearest cent.) Question 3) In recent years, Dobbs Company has purchased three machines. Because of a bad employee named Wares in the accounting department, a different accountant was hired to take charge of selecting the depreciation method for each machine. Information concerning the machines is summarized in the table below. Machine Acquired Cost Salvage Useful Life Depreciation Value(in years) method Jan. 1, 2020 $96,000 $12,000 Straight-line Oct. 1, 2021 $85,000 $10,000 Double-Declining Balance Nov. 1, 2021 $66,000 $ 6,000 Units-of-Activity For the units-of-activity method, total machine hours are expected to be 30,000. Actual hours of use in the first 3 years were: 2021, 800; 2022, 4,500; and 2023, 7,000. 1 Instructions: A) Compute the amount of accumulated depreciation on each machine at December 31, 2023. B) If machine 2 was purchased on April 1 instead of October 1, what would be the depreciation expense for this machine in 2021? In 2022? 1 2 3 15 5 6