A machine costing ₹30000 was bought on 1/4/2000. Further machinery costing ₹2000 was acquired on 1/10/2000 and another machinery costing ₹10000 was installed on 1/7/2001. On 1/7/2002 the machinery bought on 1/7/2001 was sold for ₹3000. Accounts are closed on 31 December every year. Assuming 10% depreciation p.a. Prepare Machinery a/c under the diminishing balance method.