Problem $2$ Control Activities & Assertions $(20$ marks$)$

For each of the following internal controls, indicate the type of control activity and the relevant assertion. Hint: There may be $2$ control activities or assertions for some internal controls.$$

INTERNAL CONTROL

CONTROL ACTIVITY

ASSERTION

$1.$

Sales invoices are matched with shipping documents by the computer system and an exception report is generated.

$2.$

Sales invoices are independently verified before being sent to customers.

$3.$

Labour hours for payroll are reviewed for reasonableness by the computer system.

$4.$

Unmatched shipping documents are accounted for on a daily basis.

$5.$

The computer system verifies that all payroll payments have a valid employee identification number assigned $$

by the human resources department at the time of hiring.