Which of the Following Computer Actions Is a Control for the Classification

Which of the following computer actions is a control for the classification assertion of the sales and receivables?

A) Starts with the population of daily sales invoices and compares the date on the sales invoice with the date on the underlying bill of lading.
B) Starts with the population of daily sales invoices and compares customer numbers with the sales order, specifically addressing customer account coding errors.
C) Starts with the population of daily sales invoices and compares quantities with the underlying packing slips, compares prices to the underlying sales order, and checks the mathematical accuracy of the sales invoice.
D) Starts with the population of daily sales invoices and develops a one for one match with underlying shipping documents to ensure that each sales invoice is supported by a bill of lading.