Hinshaw Company purchased a new machine on October 1, 2014, at a cost of $90,060. The company estimated that the machine has a salvage value of $7,800. The machine is expected to be used for 64,430 working hours during its 8-year life. Compute depreciation using the following methods in the year indicated. Declining-balance using double the straight-line rate for 2014 and 2015. Calculate the depreciation cost per hour. Units-of-activity for 2014, assuming machine usage was 3,960 hours. Depreciation using the Units-of-activity method for 2014