I need help answer these questions. Thank you!

Using reserves as the FED's policy instrument will cause the _______ to fluctuate in response to changes in the demand for reserves. O federal funds rate 0 discount rate Q interest on excess reserves 0 none of the above Question 6 (1 point) An increase in the currency to deposit ratio will lead required reserves to immediately _______ and the monetary base to ultimately _______ . O decrease; remain the same 0 decrease; increase 0 increase; decrease 0 increase; remain the same