Knows as interest rate the price that owe pay for use a cash amount during a period of time determined. Is the percentage of interest that pays as payment for use the above-mentioned amount of money, for example, for finance the purchase of a good or service through a loan or credit or through other methods of financing.
And is that the money, as any other product that wish acquire, has a market value . This it interest rate the above-mentioned mark. Put an example: if I you ask for the bank a loan of 50,000€, and your fixed cost is of 2% (1,000€), promissory note to the bank a total of 51,000€ for have he.