Im stuck on part b

Problem 9-8A (Part Level Submission) In recent years, Sunland Company has purchased three machines. Because of frequent employee turnover in the accounting 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 table below. Salvage Value Useful Life in years Depreciation Method Machine Acquired an. 1, 2015 July 1, 2016 Nov. 1, 2016 Cost $129,500 85,500 76,800 $41,500 10,700 7,800 Straight-line Declining-balance Units-of-activity For the declining-balance method, Sunland Company uses the double-declining rate. For the units-of-activity method, total machine hours are expected to be 34,500. Actual hours of use in the first 3 years were: 2016, 770; 2017, 5,700; and 2018, 7,400 ? (a) Your answer is correct. Compute the amount of accumulated depreciation on each machine at December 31, 2018 MACHINE 1 MACHINE 2 MACHINE 3 Accumulated Depreciation at December 31 4400 60876 2774