For each of the tests of controls for sales and receivables, indicate the assertion that is supported by placing the correct number in the blank 1. Accuracy 2. Completeness 3. Occurrence 4. Completeness 5. Accuracy A. Scan sales invoices for missing numbers in sequence. B. Perform arithmetic recalculation of a sample of recorded sales invoices. C. For a sample of recorded sales, determine whether credit was approved. D. Trace a sample of credit memos to postings in customers accounts. E. Select a sample of customer accounts and vouch debits to sales invoices