please give me solution to this problem i m confusing to do this problem i have attached the screen shoot of DEPRECIATION METHOD in that how to calculate opening balance of machinery account on and they are also give provision of depreciation amount

please give me solution to this problem i m confusing to do this problem i have attached the screen shoot of DEPRECIATION METHOD in that how to calculate opening balance of machinery account on and they are also give provision of depreciation amount (c) On 31st December, 2011 two machines which were purchased on 1.10.2008 costing 50,000 and 20.000 respectively had to be discarded and replaced by two new machines costing 50.000 and 25,000 respectively. One of the discarded Machine was sold for 20,000 and other for 10.000. The balance of Machinery Account on April I. 2011 was 3.00,000 against which the depreciation provision stood at I Depreciation was provided @ 10% on Reducing Balance Method. Prepare the Machinery Account, Provision for Depreciation Account and Mac hinery Disposal Account. 5