For each of these five separate cases, identify the principle of internal control that is violated.
Recommend what the business should do to ensure adherence to principles of internal control

Nadine Cox posts all patient charges and payments at the Dole Medical Clinic. Each night nadine backs up the computerized accounting system to a tape and stores the tape in a locked file at ther desk

Barto Sayles prides himself on hiring quality workers who require little supervision. As office manager. Barto gives his employees full discretion over their tasks and for years has seen no reason to perform independant reviews of thier work.