Drexler acquired an item of plant on 1 October 20X2 at a cost of $500,000. It has an expected life of five years (straight-line depreciation) and an estimated residual value of10%of its historical cost or current cost as appropriate. As at 30 September 20X4, the manufacturer of the plant still makes the same item of plant and its current price is $600,000.What is the correct carrying amount to be shown in the statement of financial position of Drexler as at 30 September 20X4 under historical cost and current cost?