With the help of coparisatin method.

with the use of financial tools like, trend analysis, 
commansize statements, comparative balancesheet

bs is the imp reporting sheet of any organigation, its analysis is depend upon the many factor like wht is the source of the fund and its application all organigation's object should be to minimize the cost of fund and also the application of fund should be in the optimize manner by which organization can achieve highest profit. so five year profit should be analysed by using these factors