The following is a list of control activities: 1. All invoices are stamped paid after processing. 2. Cheques received are pre-listed by the receptionist and recorded in the books by the accounts receivable clerk. 3. The accounts receivable sub-ledger is agreed to the general ledger at each month end. 4. Passwords are required before journal entries may be posted. 5. Monthly results are compiled by the accountant and compared with budget, and unexpected results are investigated by the controller. 6. Receiving clerk does not record the related accounts payable. 7. Pre-numbered purchase orders are required before an invoice will be paid. Which of the following are information processing and segregation of duties controls?

1) Information processing controls = 2, 4, 7; segregation of duties = 5, 6

2) Information processing controls = 2, 3; segregation of duties = 6, 7

3)Information processing controls = 1, 4, 6; segregation of duties = 2, 5, 7

4) Information processing controls = 1, 3, 4; segregation of duties = 2, 5

5) Information processing controls = 1, 3; segregation of duties = 2, 6

6) Information processing controls = 2, 3; segregation of duties = 5, 6, 7

7) Information processing controls = 3, 7; segregation of duties = 2, 6