7 State whether each is consistent with a reserve requirement, margin requirement, or discount rate. a) Banks must keep 5% of all checkable deposits as required reserves. 00:51:01 O Reserve requirement O Margin requirement O Discount rate b) Ameriprise increases the amount an investor must pay for a stock while receiving credit on the balance. O Reserve requirement O Margin requirement O Discount rate c) The Fed lowers the interest rate loans to member banks. O Reserve requirement O Margin requirement O Discount rate