The fact that Saanvl deposits the $4,000, means that initially, the money supply remains the same.
After Saanvl deposited, the money was simply converted from cash to cash deposits at the bank.
Both of these things are considered to be a part of money supply so there is no change in money supply initially.
Find out more on money supply at https://brainly.com/question/3625390
#SPJ1