. Question 7 (1.66 points) Le A sales invoice is used as documentation for a journal entry that requires a debit to 1) Cash and a credit to Sales Revenue 2) Sales Returns and Allowances and a credit to Accounts Receivable. 3) Accounts Receivable and a credit to Sales Revenue. 4) Cash and a credit to Sales Returns and Allowances. Save Question 8 (1.66 points) Which of the following statements is true regarding profit margin? 1) Profit margin can be improved by decreasing the gross profit rate and/or controlling operating expenses and other costs 2) Profit margin does not vary across industries. 3) Discount stores with high merchandise turnover generally have higher profht margins. 4) If the profit margin has a higher value, this suggests favorable return on each dollar of sales