Answer:
B. giving loans
Step-by-step explanation:
The reserve requirement system requires commercial banks to maintain a small fraction of their deposits as a reserve. Only a small percentage of the checkable deposits is required to be held in the banks as reserves. The reserves requirement fractions vary with the monetary policy in place.
The percentage of reserve requirement ranges from 3% to 10%. It would hardly get to 20%. The rest other bigger percentage ( over 80%) is available to be used to create loans.