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part b? 10000000\60??

2. Presented below are the components related to an office building that Lockard Company purchased for 10,000,000 in January of 2015. Component Building external works Building engineering Building structure Useful Life 30-year life 30-year life 60-year life Value 900,000 2,400,000 5,400,000 Instructions (a) Compute depreciation expense for 2015, assuming that Lockard uses component depreciation and uses the straight-line method of depreciation. (b) Compute depreciation expense for 2015, assuming that Lockard depreciates as a single unit and uses the straight-line method of depreciation