1. Interest is the use fee of money in a certain period of time, which refers to the reward that the money holder (creditor) gets from the borrower (debtor) for lending money or monetary capital. Including deposit interest, loan interest and interest generated by various bonds. Under the capitalist system, the source of interest is the surplus value created by hired workers. The essence of interest is a special transformation form of surplus value and a part of profit.
2, Interest (interest) is the reward of the fund owner to lend the fund, from the producer to use the fund to play its business functions to form a part of the profits. Refers to the value-added amount brought by monetary funds injected and returned to the real economy. The calculation formula is: interest = principal × interest rate × deposit period × 100%.