There are many positives to having a computerised system rather than a handwritten one $-$ What are they? $($Select two $(2))$

Select all that apply

All transactions must require a passkey

Vendors must be notified of every trial balance completed

No program should allow the deletion of an account unless the balance is above zero

Minimise risk of theft

No amendment to transactions can be made otherwise than by a separate transaction effecting the amendment

The system cannot accept all transactions