#3 melder Goddard Co. purchased a new machine January 1, 2019, at a cost of $120,000. The company estimated that the machine will have a salvage value of $12,000. The machine is expected to be used for 10,000 working hours during its 5 year life. Instructions: compute the annual depreciation under the following methods for the year or years indicated. a) Straight-line for 2019 b) Units-of-activity for 2019 and 2020 assuming the machine usage in 2019 was 1,700 hours and 1,500 hours in 2020. c) Double-declining-balance using twice the straight-line rate for 2019 and 2020