Answer:
d. Select and examine canceled checks and ascertain that the related receiving reports are dated no later than the checks.
Step-by-step explanation:
The procedures provides the greatest assurance that this control is operating effectively is select and examine canceled checks and ascertain that the related receiving reports are dated no later than the checks because the case states that every check request for payment should have an approved receiving report which means that every check should have a receiving report which date should be before or the same day in which it was canceled.