Please help with this Econ question

Describe the channels by which monetary policy ripples through the economy and explain how each channel operates. Suppose the Fed lowers the federal funds rate. When the Fed lowers the federal funds rate, it makes an open market Other short-term interest rates and the exchange rate The quantity of money and the supply of loanable funds The long-term real interest rate The real interest rate consumption expenditure and investment. The exchange rate makes U.S. exports and imports So net exports interest rates aggregate expenditure. Aggregate demand which real GDP and the price level, relative to what they would have been. Real GDP growth and inflation