Calculate the currency drain ratio and the banks' reserve ratio using the information on the right. In June 2014, individuals and businesses held: D. $50 billion in currency The currency drain ratio is 2.1 percent and the banks' reserve ratio is 3.6 0 . $1,000 billion in chequable deposits percent . $5,000 billion in non-chequable deposits . $750 billion in fixed term deposits and other deposits In June 2014, banks held: . $450 billion in currency . $100 billion in reserves at the central bank . $800 billion in loans to households and businesses