A commercial bank is holding $140 in reserves, $650 in loans and $450 worth of securities. The bank also has checkable deposits that are worth $1,240. Assume the required reserve ratio is 6%. A customer then withdraws $30 from her checking account at the bank. Immediately after the withdrawal, what are the bank's excess reserves? Group of answer choices $37.4 $42.4 $46.8 $49.1