In Each of the Following Situations,indicate Whether Attribute (A)or Variables

Short Answer

In each of the following situations,indicate whether attribute (A)or variables (V)sampling is used.
1___.Observe a sample of employees at various cash registers to ensure they log in to the system before they can begin processing transactions,and subsequently log out when their shift is over to prevent unauthorized access to the cash registers.
2___.Select a sample of purchase orders and ensure they are from vendors on the approved vendor list.
3___.Select a sample of unpaid vendor invoices and determine a projected balance for accounts payable.
4___.Select a sample of perishable items from inventory to see if they have exceeded their expiration date.
5___.Select a sample of accounts receivable transactions to determine the accuracy of the current period's bad debt expense.
6___.Send confirmations of the account balance for debt obligations greater than the materiality threshold.