Cost of asset Rs.75,000. The payment done were Rs.12,000 in cash on the date 20/10/2020 , Rs.13,000 in bearer Cheque on 25/10/2020 , Rs. 45,000 through bank on 27/10/2020 , and Rs.5,000 in Cash on 28/10/2020. What is the amount to be taken as Cost for calculating depreciation of asset????