Identify which basic principle of internal control refers to the described activities and say whether they are adequate to the concept of the chose...

Identify which basic principle of internal control refers to the described activities and say whether they are adequate to the concept of the chosen principle.

The principle of transaction authorization recommends that payments be made only after authorization by those responsible.
The principle of establishing responsibilities recommends that there be only one person responsible for each activity.
The principle of segregation of duties recommends that the execution and verification of activities be carried out by different people.
The principle of physical controls requires video cameras, safes, alarms, electronic points, passwords on computers, antivirus programs, among others.
a) The principles related to situations A, B, C, and D are adequate.
b) The principles related to situations A, C, and D are adequate.
c) The principles related to situations A and D are adequate.
d) The principles related to situations A and B are adequate.