Answer:
money supply increase here $750
Step-by-step explanation:
given data
deposits = $500
loan = $750
time = half hour
to find out
how much and in what direction has the money supply changed
solution
we know that Currency and check able deposits both are the part of money supply
so that Jones deposit money not impact the money supply
and we know when we go for loan , bank open check able deposit account
so we can say new loan made is = $750
Check able deposit is also part of money supply
so money supply increase here $750