A Ltd purchased a machinery on 1-4-2020 for Rs. 1,00,000 and on 1 Oct 2020 it purchased another machinery for Rs. ,1,50,000 and on 1-1-2020 it purchased another machinery for Rs. 2,00,000. depreciation is 10% p.a. on written down value method. Calculate total depreciation upto the date of 31-3-2022 on all the machinery.
