For each of the five situations that follow, state the reasons for the requirement. What error$($s$)$ or fraudulent practice is the control designed to prevent?

Drayton University requires that all tickets to its home football games be bar$-$coded. Ticket takers are stationed at all gates of the stadium with electronic devices to scan the tickets as fans enter the stadium. Once admitted, if a fan exits the stadium, he or she may not re$-$enter.

By bar$-$coding all tickets, the university makes a separate record of all ticketholders, as well as tickets used and unused for each game. Scanning the tickets ensures that that, once the ticket is scanned, fans are not permitted to leave $("$stub out"$)$ and allow other ticket holders to return u $s$ in

authorized and unauthorized

authorized

unauthorized