Barton Enterprises purchased plant assets on January 1, 2011, at a cost of $350,000. Barton uses the straight-line depreciation method, a 5-year estimated useful life, and no residual value. At the end of 2011, independent appraisers determined that the assets have a fair value of $320,000.

Instructions
(a) Prepare the journal entry to record 2011 depreciation using the straight-line method.
(b) Prepare the journal entry to record the revaluation of the plant assets.
(c) Prepare the journal entry to record 2012 depreciation, assuming no additional revaluation.