Determine the depreciation, for the year of acquisition and for the following year of a fixed asset acquired on October 1 for dollar 500,.. With an estimated life of 5 years or 100,000 hours, and residual values of dollar 50,000, using (a) the double declining-balance method and (b) the straight-line method and (c) units of production assuming 4,800 hours used in year 1 and 21,000 hours used in year 2. Double Declining balance