Assigning sequential numbers to cash sales, so that the accounting staff can ensure that every sale has been recorded is required by the internal control principle of: O documenting procedures. segregating duties. establishing responsibilities. restricting access. Question 8 (0.5 points) Saved Cashiers at a supermarket must talk to a manager before approving price changes at the register. Which internal control principle is being followed? Segregate duties Establish responsibilities Independently verify Restrict access