How would you characterize this biometric system? Please justify your answer.

4. [10 points] Consider a scenario wherein a fingerprint-based biometric system is installed in a grocery store in East Lansing. Assume that shoppers have the option of enrolling into the system. This would permit them to render payment at the checkout register by merely placing their index finger on a fingerprint sensor and typing in a 4-digit PIN. After successfully verifying the shopper's identity, the system would then connect to their bank account and debit the amount of the purchase