Answer: $750 million
Step-by-step explanation:
From the question, we re informed that
the Fed bought $150 million of U.S. securities from the public and that the reserve requirement is 20 percent. It should be noted that there will be an increase in the bank reserves by $150 million.
Money multiplier = 1/reserve requirement = 1/20% = 1/0.2 = 5
The increase in the money supply will be the excess reserves created multiplied by the multiplier. This will be:
= $150 million × 5
= $750 million
Therefore, the money supply will increase by $750 million