Depreciation by two methods; sale of fixed asset on the amount of depreciation expense each year. On the basis of the data presented to the manager, the double-declining-balance method was selected. In the first week of the fifth year, on September 6, the equipment was sold for $132,700. Required: method. a. Straight-line method b. Double-declining-balance method Feedback Check My Work Asset cost minus residual value equals depreciable cost. Sum the yearly depreciation to determine total depreciation. In the first year, the balance in the accumulated depreciation account is zero. Remember not to reduce book value below residual value