Question:

Miss Anglea recently joined A2A Limited as an accounting clerk. As a part of financial reporting process, she receives the following source documents to prepare journal vouchers for general ledger entries.

1. purchase orders,
2. sales invoices, and
3. vendor invoices

At the end of each day, Angela posts the journal vouchers to the general ledger and the related subsidiary ledgers. Each month the clerk reconciles the subsidiary accounts to their control accounts in the general ledger to ensure that they balance.

Required: Discuss any control weaknesses and risks associated with the accounting information system of A2A Limited.

Please provide references. Thank you