If a Check Was Written on Bank a for $100

Multiple Choice

If a check was written on Bank A for $100 and Bank B presented the check to Bank A for payment, what will happen to the required reserves for each respective bank after payment is made?

A) Bank A's required reserves increase; Bank B's decrease.
B) Bank B's required reserves increase; Bank A's decrease.
C) Both banks will see an increase in their required reserves.
D) Both banks will see a decrease in their required reserves.