Answer:
D $4 million
Step-by-step explanation:
Bank Reserves = Bank's Deposit at Central Bank + Vault Cash.
Bank Reserves = $15million + $5million = $20 million
Required reserves = 20% of $80 million = $16 million.
Bank Reserves = Required Reserves + Excess Reserves
Excess Reserves = Bank reserves - Required reserves
Excess Reserves = $20million - $16million =$4 million