please i need the answer asap

Question 1 0.5 Points "All the supporting documents such as PO, vendor's invoice are attached to the voucher" is one of the key controls to meet Occurrence audit assertion. A True B) False Question 2 0.5 Points Significant audit efficiencies can be achieved on many audits when controls are not operating effectively. A True B False Question 3 0.5 Points The starting point for the entire sales and collection cycle is the receipt of a customer order from a customer. A True B False