On 1st April, 2018. a firm purchased a machinery for Rs 2.00.000. On 15 October in the same accounting year, the additional machinery costing Rs. 1,00,000 was purchased. On 1st October, 2019, the machinery purchased on 1st April, 2018, having become obsolete, was sold off for Rs. 90,000. On 1 October 2020, new machinery was purchased for Rs 2,50,000 while the machinery purchased on 1st October, 2018 was sold for Rs 85,000 on the same day. The firm provides depreciation on its machinery @10 per cent per annum on original cost on 31st March every year. Required: Show Machinery account and depreciation account for the period of three accounting years ending on 31st March, 2021