Dina, who works as a restaurant manager, uses a spreadsheet to keep track of cash-on-hand at any given time. Dina has realized that for the last few days the cash-on-hand
for the cash register has been lower than expected. She has not counted the cash herself, but
the spreadsheet is a reliable way to track the money. The owner, managers, and a few employees all interact with the money in the restaurant. How should Dina handle this situation?