Financial functions in Excel allow for a variety of discounting operations. PMT function, for given present value, interest rate and number of periods calculates the total repayment value (annuity). How much, in this case, goes for the principal and how much for interest? To get answers to these questions you need to use the PPMT and IPMT functions.
Excel has a multitude of financial functions. I’m not sure how many of them can be applied in Serbian business environment, but they are useful when making complex calculations. Financial investment planning functions aim to answer the question: how much will, under the given conditions, be worth my money after a certain period of time? That is, if I borrow money to someone how much I will come? Or, if we lend money for how much it will cost me?