<Li> Marginal lending rate--a fixed rate for institutions to borrow money from the central bank . (In the USA this is called the discount rate). </Li> <Li> Main refinancing rate--the publicly visible interest rate the central bank announces . It is also known as minimum bid rate and serves as a bidding floor for refinancing loans . (In the USA this is called the federal funds rate). </Li> <Li> Deposit rate, generally consisting of interest on reserves and sometimes also interest on excess reserves--the rates parties receive for deposits at the central bank . </Li> <P> These rates directly affect the rates in the money market, the market for short term loans . </P>

Which of the following is a component of central bank money