Lue Company sold used equipment for $450,000 cash. The equipment was purchased 5 years ago for a cost of $800,000. It has been depreciated using the straight-line method over an estimated useful life of 10 years with an estimated residual value of $50,000. Required: (A) Prepare the journal entry at the end of year five for the asset's disposal assuming the fifth year's depreciation had been recorded. (5 Points) (B) Discuss gains/losses on sale of equipment in view of investors' assessment of these gains/losses (i.e., economic gains/losses) in relation with previous depreciation expenses of the equipment.