Companing three depreciation methods Dexter -Industries purchased packaging equipment on lanuary 3 for $81,900. The equipment was expected to hove a useful Me of 3 years, of 20,000 operating hours, and a residual value of 34,500 . The equipment was used for 7,600 hours during Year 1,6,000 hours in Year 2 , and 6,400 hours in Vear 3 . Required: 1. Determine the amount of depreciation expense for the 3 years ending December 31, by (a) the straight-line method, (b) the units-of-activity method, and (c) the double-declining-balace method. Aso determine the total depreciation expense for the 3 years by each method, Do not round intermediate calculations when determining the depreciation rate. Round the final answers for each year to the nearest whole dollar. 2. What method vields the highest depreciation expenie for Year 1? 3. What method yields the mout depceciation over the 3year bie of the equipment