ANSWER THE THIRD PIC PLEASE

department, a different accountant was in charge of selecting the depreciation method for each machine, and various methods have been used. Information concerning the machines is summarized in the tabfe felow. For the declining-balance method, Pharoah Compary uses the double-declining rate. For the units-of-activity method, total machine hours are expected to be 49,000 . Actual hours of use in the first 3 years were 2021, 500; 2022, 4,200; and 2023, 8,400. (a1) For Machine $3, calculate depreciable cost per hour under units of-activity method. Your answer is correct. Compute the amount of accumulated depreciation on each machine at December 31.202. If machine 2 was purchased on April 1 instead of July 1, what would be the depreciation expense for this machine in 2021 ? In 2022