Answer:
a. protect him from providing opportunities for forgery.
Step-by-step explanation:
This procedure from the bank is simply made to protect the boy from falling victim to forgery.
A simple definition.
A cancelled check is a check that has been paid by the bank. After transaction has been completed, the bank “cancels” the check, so it cannot be used again.
In this case, if à cancelled check is returned, in it contains the signature of the account holder which makes it a security leak for the account owner as a good forger can imitate the signature and withdraw money from the checking account without knowledge of the owner.