Suppose That The Legal Reserve Ratio Set By The Fed Is 10 And That The Fair Bank

Suppose that the legal reserve ratio set by the Fed is 10% and that the Fair Bank in Fairdealing, Missouri, initially has checkable deposit equal to $210 and a reserve account of $70. A customer of Fair Bank deposits $100 into her checking account. Fair Bank loans 80% of the deposit and places the rest in its reserves at the St. Louis Fed. For simplicity, assume the borrower received the loan as cash. How much does Fair Bank have in excess reserves after the deposit and loan?

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