omputing Straight-Line Depreciation On January 1, 2020, equipment is purchased for $432,000. The company incurred installation costs of $1,080 and freight charges on delivery of $1,800. The equipment has a $36,000 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 $333,000 on December 31, 2020? $ 0