An asset is purchased for $20,000. It has an estimated residual value of $5,000 and an estimated useful life of ten years. After three years of use, the estimated residual value is revised to $4,000. Assuming straight-line depreciation, depreciation expense in year four of use would be

Adrawback of short-term contracting as an alternative to making a component in-house is thata. it is the most-integrated alternative to performing an activity so the principal company has no control over the agent. b. the supplying firm has no incentive to make any transaction-specific investments to increase performance or quality. c. it fails to allow a long planning period that individual market transactions provide. d. the buying firm cannot demand lower prices due to the lack of a competitive bidding process.