Exercise 11-6 Your answer is partially correct. Try again. Sage Company purchased equipment for $218,160 on October 1, 2017. It is estimated that the equipment will have a useful life of 8 years and a salvage value of $12,120. Estimated production is 40,800 units and estimated working hours are 20,200. During 2017, Sage uses the equipment for 520 hours and the equipment produces 1,000 units. Compute depreciation expense under each of the following methods. Sage is on a calendar-year basis ending December 31. (Round rate per hour and rate per unit to 2 decimal places, e.g 5.35 and final answers to o decimal places, e.g.45,892.) (a) Straight-line method for 2017 (b) Activity method (units of output) for 2017 (c) Activity method (working hours) for 2017 6438.75 5050 5304 (a) Sum-of the-years-digits method for 20192861 28616.17 (e) Double-declining-balance method for 2018 48291