Answer:
15 percent; 12 percent
Step-by-step explanation:
Reserves is defined as the required amount that a bank must hold in its vault and at the nearest Federal Reserve bank. It is a proportion of the total deposits that customers have with the bank.
Reserve = Cash in vault + Cash with Federal Reserve
Reserve = 70 million + 80 million
Reserve= $150 million
Reserve ratio= (Reserve ÷ Total deposit) * 100
Reserve ratio= (150 million ÷ 1 billion) * 100
Reserve ratio= 15%
A fall in reserve requirement causes excess reserve of $30 million
New reserve= Old reserve - Excess reserve
New reserve= 150 million - 30 million= $120 million
New reserve ratio= (120 million ÷ 1 billion) * 100
New reserve ratio= 12%