Which of the following poses an internal control problem? a. Purchasing clerks create new suppliers and the controller approves these suppliers b. Warehouse staff prepare a pick list, pick the items, enter the picked items in the pick list and update inventory records c. Payroll account is separate from the general expenditure account to monitor and track payroll payments and expenses d. New employees are interviewed and recruited by both the supervisor and the HR officer. The AR clerk prepares an invoice based on the updated pricing in the inventory master file, but this is different from the original quote accepted by the customer. Which control will not prevent or detect this weakness? a. Independent check of invoice against the sale order and the accepted quote before approval b. Reconciling sales invoices in the billing department to the total debits of accounts receivable subsidiary ledgers. c. Automatic matching of invoice against sales order and quote and notification of any discrepancies to AR and Sales department. Which of the following poses an internal control problem? a. Purchasing clerks create new suppliers and the controller approves these suppliers b. Warehouse staff prepare a pick list, pick the items, enter the picked items in the pick list and update inventory records c. Payroll account is separate from the general expenditure account to monitor and track payroll payments and expenses d. New employees are interviewed and recruited by both the supervisor and the HR officer. The AR clerk prepares an invoice based on the updated pricing in the inventory master file, but this is different from the original quote accepted by the customer. Which control will not prevent or detect this weakness? a. Independent check of invoice against the sale order and the accepted quote before approval b. Reconciling sales invoices in the billing department to the total debits of accounts receivable subsidiary ledgers. c. Automatic matching of invoice against sales order and quote and notification of any discrepancies to AR and Sales department