Computing Depreciation, Asset Book Value, and Gain or Loss on Asset Sale Palepu Company owns and operates a delivery van that originally cost $54,400. Straight-line depreciation on the van has been recorded for three years, with a $4,000 expected salvage value at the end of its estimated six-year useful life. Depreciation was last recorded at the end of the third year, at which time Palepu disposed of this van. a. Compute the net book value of the van on the sale date. $ b. Compute the gain or loss on sale of the van if its sales price is for: (When applicable, use a negative sign with answers to indicate there is a loss on sale.)