Respuesta :
The Fed pay interest to banks because it is a interest on money held in reserve by them.
What is the institution called Federal reserve?
The Fed means Federal reserves.
The Federal reserves is an institution which holds the reserve requirement of commercial banks in the country.
The reserves placed with them are sometime loaned out for interest purpose.
Hence, the Fed pay interest to banks because it is a interest on money held in reserve by them.
Therefore, the Option A is correct.
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