interest =The price paid for obtaining, or price received for providing, money or goods in a credit transaction, calculated as a fraction of the amount or value of what was borrowed.
Money supply =the total amount of money (bills, coins, loans, credit, and other liquid instruments) in a particular economy
profit =Total income or cash flow minus expenditures. The money or other benefit a non-governmental organization or individual receives in exchange for products and services sold at an advertised price.
Stock =) The capital raised by a company through the issue of shares. The total of shares held by an individual shareholder.
