10.Which of the following controls is most likely to help ensure that all credit Revenue (that is, sales on account) transactions of an entity are recorded?

1. The billing department supervisor sends a copy of each approved sales order to the credit department for comparison to the customers authorized credit limit and current account balance
2. the billing department supervisor matches prenumbered shipping documents with entries in the sales Journal
3. the accounting department supervisor independently reconciles the accounts receivable subsidiary ledger to the accounts receivable control account each month
4. The accounting department supervisor controls the mailing of monthly statements to customers and investigate any differences reported by customers
5. the receiving clerk immediately counts all sales returns as those returns are unloaded from the delivery trucks