Which of the following is part of the tasks supervisors need to complete during closing?

Collecting and storing floor mats from registers is a practical task directly related to the closing procedures of the store. This responsibility typically falls to supervisors to ensure that the sales area is neat and safe for the next business day. By tending to such tasks, supervisors help maintain cleanliness and organization, which are vital for operational efficiency and customer satisfaction.

In contrast, while preparing sales reports and conducting employee evaluations are important supervisory tasks, they are not specific to the closing process. Updating the store's website also does not pertain to closing duties, as this is generally managed by marketing or IT departments rather than handled by supervisors during end-of-day operations. Focusing on essential tasks like removing and storing floor mats aligns with the immediate needs of closing down the store effectively.