Presented below are the components related to an office building that Lockard Company purchased for 10,000,000 in January of 2019. Instructions Component Useful Life Value Building structure 60-year life 5,400,000 Building engineering 30-year life 2,400,000 Building external works 30-year life 900,000 (A) Compute depreciation expense for 2019, assuming that Lockard uses component depreciation and uses the straight-line method of depreciation. (B) Assume that the building engineering was replaced in 20 years at a cost of 2,600,000. Prepare the entry to record the replacement of the old component with the new