Which control activity assures that all billed sales are accurately posted to the accounts receivable ledger?

The activity that ensures all billed sales are accurately posted to the accounts receivable ledger is comparing daily sales summaries to postings in the accounts receivable ledger. This control activity establishes a direct linkage between sales made and the entries recorded in the accounts receivable. By reviewing daily sales summaries alongside the corresponding postings, it becomes possible to verify that every transaction has been accurately and completely recorded. If there are discrepancies, this method allows for prompt identification and correction, thereby enhancing the reliability of the financial records.

The effectiveness of this process is rooted in its systematic approach, which allows for the identification of any sales that may have been omitted from the accounts receivable ledger or posted inaccurately. This proactive reconciliation ensures that the total revenue recognized matches what is actually reflected in customers' accounts, which is vital for accurate financial reporting and effective cash management.

In contrast, while prenumbered invoices, daily reconciliation of the accounts receivable subsidiary ledger, and accompanying shipping documents are important control activities, they do not directly verify the accuracy of postings to the ledger in terms of correlating sales to specific entries. Each of these measures serves different functions, such as preventing unauthorized transactions or ensuring completeness of records, but they do not offer the same direct assurance as comparing daily sales summaries to