Which of the following statements about the reserve market is NOT​ correct? A. Without the discount​ window, the reserve

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Which of the following statements about the reserve market is
NOT​ correct?
A.
Without the discount​ window, the reserve market would not
function normally
B.
The reserve requirement affects the level of demand in the
reserve market
C.
Interest payments on reserves result in a floor for the federal
funds rate
D.
Interest payments on reserves and the presence of the discount
window lower the volatility of the federal funds rate