Scenario 10.2 Imagine That Kristy Deposits $10,000 of Currency into Her Chequing

Scenario 10.2
Imagine that Kristy deposits $10,000 of currency into her chequing account deposit at Bank A and that the desired reserve ratio is 20%.
-Refer to Scenario 10.2.As a result of Kristy's deposit, Bank A's desired reserves increase by

A) $2,000.
B) $8,000.
C) $10,000.
D) $40,000.
E) $50,000.