Answer:
$200
Step-by-step explanation:
Reserve ratio is the percentage of a deposit that a bank is supposed to withhold as reserves forming part of deposit that banks make into federal reserve.
It plays a major role in deciding the amount of money available to be lent and supply of money.
Workings
Reserve ratio - 20%
On a deposit of $1000, The reserve is 20% * 1000 =$200
Assuming no excess reserve , the limit on the deposit is $800
The reserve = $200
Therefore , if $600 is lent , the bank can further lend ($800-$600)
$200