In the following bank balance sheet, amounts are in millions of dollars. the required reserve ratio is 5% on the first $30 million of checkable deposits and 11% on any checkable deposits over $30 million. assets liabilities reserves $18.9 checkable deposits $180.0 loans $150 net worth $20.0 securities $31.1 total $200 total $200 a. calculate the bank's excess reserves. excess reserves are $ nothing million. (enter your response rounded to one decimal place.)