Answer:
[tex]increase\ in\ money\ supply=\frac{1}{0.09}\times 689645=$7662722.22[/tex]
Explanation:
We have given required reserve ratio = 9 %
Excess reserve = $ 689645
We have to calculate increase in money supply
Increase in money supply is given by
[tex]increase\ in\ money\ supply=\frac{1}{required\ reserve\ ratio}\times excess\ reserve[/tex]
So [tex]increase\ in\ money\ supply=\frac{1}{0.09}\times 689645=$7662722.22[/tex]