Can anyone help with these questions?

4. If the Federal Reserve conducts tight monetary policy to contract the money supply, it is most likely to change nominal interest rates and output in the following ways: Nominal Interest Rate / Output Increase / Increase Decrease / Increase Decrease / No Change Increase / Decrease Decrease / Decrease 5. If the Federal Reserve conducts tight monetary policy to contract the money supply, it is most likely to change investment spending, output, and price level in the following ways: Investment Spending / Output / Price Level Increase / Increase / Increase Decrease / Increase / Decrease Decrease / Decrease / Increase Increase / Decrease / Decrease Decrease / Decrease / Decrease1. If producers believe that the economy is strong so that investment spending increases, we would expect to see an increase in the demand for money. a decrease in the demand for money. an increase in the quantity of money demanded. a decrease in the quantity demanded of money. no change in the demand for money. 2. If investors begin selling all their stocks and increasing their money holdings, we would expect to see a decrease in the demand for money. an increase in the demand for money. an increase in the quantity of money demanded. a decrease in the quantity demanded of money. no change in the demand for money. 3. If the Federal Reserve conducts easy money policy to expand the money supply, then nominal interest rates will decrease and investment spending will increase. nominal interest rates will decrease and investment spending will decrease. nominal interest rates will decrease and price level spending will decrease. nominal interest rates will increase and price level spending will increase. nominal interest rates will increase and investment spending will decrease