Profit on disposal = sale proceeds - net book value after 3 years' depreciation Steps: - Total asset cost = purchase 20,000+deliveryandinstallation10,000 = 30,000.−Depreciateat2030,000 = 6,000;totalaccumulateddepreciation=6,000 × 3 = 18,000.−Netbookvalueatdisposal=30,000 - 18,000=12,000; profit = sale proceeds 20,000−12,000 = 8,000.WhyAiscorrect:−Straight−linede12,000, so profit 20,000−12,000 = 8,000peraccounting20,000 base, 3 years dep 12,000total,NBV8,000, profit 12,000);understatescost.−19,200, profit $800); ignores 2021 depreciation. - D: Applies reducing balance for …