On January 1, 20X0, plant asset was acquired for $20,000 and had an estimated useful of four years and an estimated salvage value of $4, 900. If the double declining-balance method is used, the balance in the Accumulated Depreciation account on December 31, 20X1, will be a. $15,000. b. $12,000. c. $8,000 d. $10,000. Calculate depreciation expense for 2010 and 2011 based on the following data. Use depreciation methods indicated. On January 1, 2010, a piece of equipment was purchased at a cost of $26.000 has an estimated salvage value of $4,000. The estimated useful life of the equipment is five years. The equipment is expected to operate for a total of 50,000 hours