Burger King's Point-Of-Sale Device Built into Every Burger King Cash

Burger King's point-of-sale device built into every Burger King cash register helps the company do all of the following except:

A) determine how many workers will be needed on a given day.
B) keep track of inventory for reordering purposes.
C) determine if a food theft has occurred.
D) calculate the profit made by the store during a given time period.