18. Why would an organization require the paymaster to deliver all unclaimed paychecks to the internal audit department? a. to detect a "phantom employee" for whom a check was produced b. to prevent an absent employee's check from being lost! C. to avoid paying absent employees for payday! d. to prevent the paymaster from cashing unclaimed checks 19. Which of the following is not a reasonable control for fixed assets? a. Proper authorization is required for acquisition and disposal of fixed assets. b. Fixed asset records show the location of each asset. C. Fully depreciated assets are immediately disposed of. d. Depreciation policies are in writing