Internal controls can prevent, detect, or reduce the impact, of a problem. Which of the following groups includes controls that will fulfill all three with respect to the risk of an employee embezzling money by forging a manager's signature on a check? O 1) Separation of duties, internal audit, employee bonding O 2) physical security of cash, pre-numbered documents, restrictive endorsements O 3) separation of duties, pre-numbered documents, restrictive endorsements. O 4) video surveillance, internal audit, employee assistance programs. Consider the following systems flowchart as you respond to the next question: Inventory manager Vendor General manager Accounting manager Purchase Start Order Prepare Prepare Generate purchase and send Approve Order check ship good purchase order Approved purchase order Receive goods