riples 6. Which depreciation method would be most appropriate for each of the following assets? a. This machine is used as a backup for the other machines in the production process. As a result, in some years it sees a lot of action and in others it is seldom used. It is not a high- tech machine, so it will not become obsolete in the foreseeable future. b. Typically, this machine works very effectively and requires few repairs for the first three years, but it will be down for maintenance quite a bit during its final four years of use. c. This machine is expected to run constantly over the entire period it is used. It requires regular maintenance over its lifetime in order to maintain its expected steady level of production.