Answer:
The right solution is "decrease by $50,000". A further explanation is description if provided below.
Step-by-step explanation:
The given values:
Sell amount,
= 10,000
Reserve ratio,
= 20%
i.e.,
= 0.2
Now,
The decrease in money supply will be:
=
![(Sell \ amount)/(Reserve \ ratio)](https://img.qammunity.org/2022/formulas/business/high-school/qo43myd2l6u2loltk0794eeogka2p6fp26.png)
On substituting the values, we get
=
![(10000)/(0.2)](https://img.qammunity.org/2022/formulas/business/high-school/q5lczy7iqezo37zvjvoffee4go8hbu90y4.png)
=
($)