Determine whether each of the following is an internal control strength or an internal control weakness. If weakness, explain why.

a) Vouchers and all supporting documents are perforated with a PAID designation after being paid by the treasurer.

b)All sales are rung up on the cash register, and a receipt is given to the customer. All sales are recorded on a record locked inside the cash register.

c)The bank reconciliation is prepared by the accountant.