A depreciable asset with a cost of $48280 has a residual value of $2500 and a useful life of 6 years. Total estimated units of output are 76300 and in year 1 a total of 5800 units were produced. Under the straight-line method and the units-of-activity method the depreciation expense for the first year would be Straight-line Units-of-activity $8046.67 $7630.00 $8046.67$3670.07 $7630.00$3480.00