In the books of CCW Ltd, the machinery account shows a debit balance of Rs. 2,50,000 as on April 1, 2019 and Provision for Depreciation A/c at Rs. 50,000. Half of the machinery was sold on September 30, 2019, for Rs. 30,000. The company charges depreciation @ 20% p.a. on diminishing balance method. Calculate the profit or loss on the sale of machinery: