Satvinder and Danielle are discussing internal control one day at lunch in the cafeteria of their local state university. Danielle mentions

to Satvinder that her auditing professor had delivered a lecture on controls over the purchasing process. Which of the following is a

control that the auditing professor may have discussed?

The auditing professor may have mentioned an electronic receipts settlement system as a control over the purchasing

process.

The auditing professor may have mentioned segregation of duties in the purchasing process as a key control.

The auditing professor may have discussed the cash disbursements journal as a key control over the client's cash receipts

system.

The auditing professor may have talked about monthly bank statements as a key control over the client's vendor invoices.