30. Per the Fraud Examiners Manual, what procedure should be done to ensure that employees do not punch (or scan) the timecards of absent coworkers?

A. install video surveillance cameras. B. hours worked should be reconciled to the original authorization at the

time the employee was hired. C. supervisors should be present at the beginning and end of work shifts. D. supervisors should punch (or scan) the timecards for the employees.