In Response to Complaints from Students That Some Professors Were

In response to complaints from students that some professors were allowing a few select students in their classes to do extra credit assignments to pull up their grades, the administration issues a memo telling professors that they cannot give extra credit assignments unless the whole class has an opportunity to earn extra credit. Which of the following duties of justice does the administration's decision typify?

A) reparative justice
B) retributive justice
C) distributive justice
D) positive beneficence