The Safe Deposit Locker system in XYZ bank has upgraded from Traditional Access of Lockers to a Biometric Access Control System to use Safe Deposit Locker by their customers securely. Now, the bank needs to assess the effectiveness of Biometric implemented in a bank before it can be used in real-time by customers. Illustrate with an example how the following criteria can be assessed The percentage of users who are in fact authorized users but are denied access. The percentage of users who are unauthorized but are granted access. The level at which both the above errors can be equalized.