Which of the following is an example of a control that provides reasonable assurance and why?

A retail store hires security guards to inspect all packages and search all customers because this is the most effective method of preventing shoplifting.

A grocery store requires that customers participate in a loyalty program that tracks all their purchases because this provides data about customer preferences.

A retail store installs security cameras to prevent shoplifting because it deters many shoplifters but does not reduce s by innocent customers.

A grocery store tracks every item from shipment to shelf placement to purchase because this is the most effective wa$)$ prevent loss due to employee stealing.