A seperate register to be maintained for recording purchase of machinery date wise and put a seperate column for depreciation and net amount in a particular year
Stop repeating your replies, increase your knowledge to reply in one shot @ eshwar Reddy . I think it's easy for Some literate person to understand what is meaning of replying once or single reply or non repeatedly reply. Even after saying on about more than 50 post you are replying again and again like a fool.