Problem 9-7A (Part Level Submission) In recent years, Farr 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 s summarized in the table below. For the declining-balance method, Farr Company uses the double-declining rate. For the units-of-activity method, total machine hours are expected to be 32,000. Actual hours of use in the first 3 years were: 2013, 650; 2014, 5,950; and 2015, 7,510. (a) Compute the amount of accumulated depreciation on each machine at December 31, 2015