Computing Straight-Line Depreciation On January 1, 2020, equipment is purchased for $192,000. The company incurred installation costs of $480 and freight charges on delivery of $800. The equipment has a $16,000 residual value and an expected useful life of five years. a. Determine depreciation expense for 2020 using the straight-line depreciation method. $ 0 b. Answer part a, assuming that the appraised value of equipment is $148,000 on December 31, 2020? $ 0