<P> In contrast the reverse repo rate is the rate at which banks can park surplus funds with reserve bank . This is mostly done when there is surplus liquidity in the market as a high reverse repo rate will make it attractive to banks to park surplus funds with the central bank . </P> <P> The interest rate that is charged by a country's central or federal bank on loans and advances controls money supply in the economy and the banking sector . This is typically done on a quarterly basis to control inflation and to stabilize the country's exchange rates . A fluctuation in bank rates triggers a ripple - effect as it impacts every sphere of a country's economy . For instance, the prices in stock markets tend to react to interest rate changes . A change in bank rates affects customers as it influences prime interest rates for personal loan . </P> <P> In Australia, the Governor of the Reserve Bank of Australia (RBA) sets the bank rate, known as the official cash rate, which is reviewed by the Reserve Bank Board each month . </P> <P> In Brazil, the discount rate is called SELIC (Special System of Liquidation and Custody, translated). It is the mean term of the overnight rate, fixed by the Committee of Monetary Politics, a branch of the Central Bank of Brazil . There are some assets of the public debt that are harnessed to the SELIC: an increase in this rate provides more profit for its owner . </P>

Which one of the following is a rate at which banks park their money at the central bank